Primary#80FF00
Main brand colour. Use for headers, navigation, and primary buttons.
50 Copy
#F2FFE6
RGB 242, 255, 230
HSL 91°, 100%, 95%
Fail 1.04 AAA 14.21
100 Copy
#D9FFB2
RGB 217, 255, 178
HSL 90°, 100%, 85%
Fail 1.11 AAA 13.28
300 Copy
#B3FF66
RGB 179, 255, 102
HSL 90°, 100%, 70%
Fail 1.21 AAA 12.23
500 Copy
#80FF00
RGB 128, 255, 0
HSL 90°, 100%, 50%
Fail 1.29 AAA 11.4
700 Copy
#60BF00
RGB 96, 191, 0
HSL 90°, 100%, 37%
Fail 2.35 AA 6.29
900 Copy
#408000
RGB 64, 128, 0
HSL 90°, 100%, 25%
AA 4.88 AA large 3.03
Secondary#FFFF00
Companion colour. Use for links, highlights, and hover states.
50 Copy
#FFFFE6
RGB 255, 255, 230
HSL 60°, 100%, 95%
Fail 1.01 AAA 14.54
100 Copy
#FFFFB2
RGB 255, 255, 178
HSL 60°, 100%, 85%
Fail 1.04 AAA 14.19
300 Copy
#FFFF66
RGB 255, 255, 102
HSL 60°, 100%, 70%
Fail 1.06 AAA 13.87
500 Copy
#FFFF00
RGB 255, 255, 0
HSL 60°, 100%, 50%
Fail 1.07 AAA 13.74
700 Copy
#BFBF00
RGB 191, 191, 0
HSL 60°, 100%, 37%
Fail 1.97 AAA 7.5
900 Copy
#808000
RGB 128, 128, 0
HSL 60°, 100%, 25%
AA large 4.2 AA large 3.52
Tertiary#01FF00
Accent colour. Use for highlights, charts, and callouts.
50 Copy
#E6FFE6
RGB 230, 255, 230
HSL 120°, 100%, 95%
Fail 1.06 AAA 13.92
100 Copy
#B3FFB2
RGB 179, 255, 178
HSL 119°, 100%, 85%
Fail 1.18 AAA 12.55
300 Copy
#67FF66
RGB 103, 255, 102
HSL 120°, 100%, 70%
Fail 1.31 AAA 11.29
500 Copy
#01FF00
RGB 1, 255, 0
HSL 120°, 100%, 50%
Fail 1.37 AAA 10.75
700 Copy
#01BF00
RGB 1, 191, 0
HSL 120°, 100%, 37%
Fail 2.48 AA 5.94
900 Copy
#008000
RGB 0, 128, 0
HSL 120°, 100%, 25%
AA 5.14 Fail 2.87
Quaternary#FF7F00
Accent colour. Use sparingly for calls to action and warnings.
50 Copy
#FFF2E6
RGB 255, 242, 230
HSL 29°, 100%, 95%
Fail 1.1 AAA 13.42
100 Copy
#FFD9B2
RGB 255, 217, 178
HSL 30°, 100%, 85%
Fail 1.33 AAA 11.12
300 Copy
#FFB266
RGB 255, 178, 102
HSL 30°, 100%, 70%
Fail 1.78 AAA 8.3
500 Copy
#FF7F00
RGB 255, 127, 0
HSL 30°, 100%, 50%
Fail 2.53 AA 5.82
700 Copy
#BF5F00
RGB 191, 95, 0
HSL 30°, 100%, 37%
AA large 4.33 AA large 3.41
900 Copy
#804000
RGB 128, 64, 0
HSL 30°, 100%, 25%
AAA 7.92 Fail 1.86
Quinary#00FF7F
Accent colour. Use for charts and small details.
50 Copy
#E6FFF2
RGB 230, 255, 242
HSL 149°, 100%, 95%
Fail 1.05 AAA 14.02
100 Copy
#B2FFD9
RGB 178, 255, 217
HSL 150°, 100%, 85%
Fail 1.15 AAA 12.79
300 Copy
#66FFB2
RGB 102, 255, 178
HSL 150°, 100%, 70%
Fail 1.27 AAA 11.6
500 Copy
#00FF7F
RGB 0, 255, 127
HSL 150°, 100%, 50%
Fail 1.35 AAA 10.97
700 Copy
#00BF5F
RGB 0, 191, 95
HSL 150°, 100%, 37%
Fail 2.44 AA 6.05
900 Copy
#008040
RGB 0, 128, 64
HSL 150°, 100%, 25%
AA 5.05 Fail 2.92
Neutral#59684B
Tinted neutral drawn from the seed hue. Use for body text, borders, and backgrounds.
50 Copy
#EEF0ED
RGB 238, 240, 237
HSL 100°, 9%, 94%
Fail 1.15 AAA 12.87
100 Copy
#CDD2C9
RGB 205, 210, 201
HSL 93°, 9%, 81%
Fail 1.54 AAA 9.6
300 Copy
#9BA493
RGB 155, 164, 147
HSL 92°, 9%, 61%
Fail 2.58 AA 5.71
500 Copy
#59684B
RGB 89, 104, 75
HSL 91°, 16%, 35%
AA 5.99 Fail 2.46
700 Copy
#434E38
RGB 67, 78, 56
HSL 90°, 16%, 26%
AAA 8.8 Fail 1.68
900 Copy
#2C3426
RGB 44, 52, 38
HSL 94°, 16%, 18%
AAA 12.91 Fail 1.14
Click a swatch to copy its hex code. Badges show WCAG contrast against white text and against dark text (#0F2A3F). AAA is 7:1 or higher. AA is 4.5:1 or higher. AA large is 3:1 or higher.
In use
Sample components show how the colours work together.
Buttons
Primary action
Secondary
Outline
Call to action
Confirm
Navigation
Chartreuse Work Services About Contact
Alerts
Information uses the secondary colour.
Success uses tertiary.
Warnings use quaternary.
Typography
Heading in primary
Body copy in neutral 500 on a white card. This keeps long text easy to read.
Muted caption text in neutral 300.
Links use primary 500
Dark surface
Primary 900 works as a footer or hero background. Secondary 300 gives headings lift without glare.
Get started
Export as CSS variables
Copy this block into your stylesheet, or link to 80ff00-analogous.css and 80ff00-analogous.json .
:root {
--primary-50: #F2FFE6;
--primary-100: #D9FFB2;
--primary-300: #B3FF66;
--primary-500: #80FF00;
--primary-700: #60BF00;
--primary-900: #408000;
--secondary-50: #FFFFE6;
--secondary-100: #FFFFB2;
--secondary-300: #FFFF66;
--secondary-500: #FFFF00;
--secondary-700: #BFBF00;
--secondary-900: #808000;
--tertiary-50: #E6FFE6;
--tertiary-100: #B3FFB2;
--tertiary-300: #67FF66;
--tertiary-500: #01FF00;
--tertiary-700: #01BF00;
--tertiary-900: #008000;
--quaternary-50: #FFF2E6;
--quaternary-100: #FFD9B2;
--quaternary-300: #FFB266;
--quaternary-500: #FF7F00;
--quaternary-700: #BF5F00;
--quaternary-900: #804000;
--quinary-50: #E6FFF2;
--quinary-100: #B2FFD9;
--quinary-300: #66FFB2;
--quinary-500: #00FF7F;
--quinary-700: #00BF5F;
--quinary-900: #008040;
--neutral-50: #EEF0ED;
--neutral-100: #CDD2C9;
--neutral-300: #9BA493;
--neutral-500: #59684B;
--neutral-700: #434E38;
--neutral-900: #2C3426;
}
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Steps 50 to 300 are tints. Step 500 is the base colour. Steps 700 and 900 are shades.