Primary#FFFF00
Main brand colour. Use for headers, navigation, and primary buttons.
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
Secondary#FF8000
Companion colour. Use for links, highlights, and hover states.
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
#FFB366
RGB 255, 179, 102
HSL 30°, 100%, 70%
Fail 1.77 AAA 8.36
500 Copy
#FF8000
RGB 255, 128, 0
HSL 30°, 100%, 50%
Fail 2.52 AA 5.86
700 Copy
#BF6000
RGB 191, 96, 0
HSL 30°, 100%, 37%
AA large 4.3 AA large 3.43
900 Copy
#804000
RGB 128, 64, 0
HSL 30°, 100%, 25%
AAA 7.92 Fail 1.86
Tertiary#80FF00
Accent colour. Use for highlights, charts, and callouts.
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
Quaternary#FF0000
Accent colour. Use sparingly for calls to action and warnings.
50 Copy
#FFE6E6
RGB 255, 230, 230
HSL 0°, 100%, 95%
Fail 1.19 AAA 12.45
100 Copy
#FFB2B2
RGB 255, 178, 178
HSL 0°, 100%, 85%
Fail 1.71 AAA 8.62
300 Copy
#FF6666
RGB 255, 102, 102
HSL 0°, 100%, 70%
Fail 2.86 AA 5.16
500 Copy
#FF0000
RGB 255, 0, 0
HSL 0°, 100%, 50%
AA large 4.0 AA large 3.69
700 Copy
#BF0000
RGB 191, 0, 0
HSL 0°, 100%, 37%
AA 6.53 Fail 2.26
900 Copy
#800000
RGB 128, 0, 0
HSL 0°, 100%, 25%
AAA 10.95 Fail 1.35
Quinary#00FF00
Accent colour. Use for charts and small details.
50 Copy
#E6FFE6
RGB 230, 255, 230
HSL 120°, 100%, 95%
Fail 1.06 AAA 13.92
100 Copy
#B2FFB2
RGB 178, 255, 178
HSL 120°, 100%, 85%
Fail 1.18 AAA 12.53
300 Copy
#66FF66
RGB 102, 255, 102
HSL 120°, 100%, 70%
Fail 1.31 AAA 11.28
500 Copy
#00FF00
RGB 0, 255, 0
HSL 120°, 100%, 50%
Fail 1.37 AAA 10.75
700 Copy
#00BF00
RGB 0, 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
Neutral#68684B
Tinted neutral drawn from the seed hue. Use for body text, borders, and backgrounds.
50 Copy
#F0F0ED
RGB 240, 240, 237
HSL 60°, 9%, 94%
Fail 1.14 AAA 12.92
100 Copy
#D2D2C9
RGB 210, 210, 201
HSL 60°, 9%, 81%
Fail 1.52 AAA 9.7
300 Copy
#A4A493
RGB 164, 164, 147
HSL 60°, 9%, 61%
Fail 2.53 AA 5.84
500 Copy
#68684B
RGB 104, 104, 75
HSL 60°, 16%, 35%
AA 5.72 Fail 2.58
700 Copy
#4E4E38
RGB 78, 78, 56
HSL 60°, 16%, 26%
AAA 8.5 Fail 1.74
900 Copy
#343426
RGB 52, 52, 38
HSL 60°, 16%, 18%
AAA 12.61 Fail 1.17
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
Yellow 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 ffff00-analogous.css and ffff00-analogous.json .
:root {
--primary-50: #FFFFE6;
--primary-100: #FFFFB2;
--primary-300: #FFFF66;
--primary-500: #FFFF00;
--primary-700: #BFBF00;
--primary-900: #808000;
--secondary-50: #FFF2E6;
--secondary-100: #FFD9B2;
--secondary-300: #FFB366;
--secondary-500: #FF8000;
--secondary-700: #BF6000;
--secondary-900: #804000;
--tertiary-50: #F2FFE6;
--tertiary-100: #D9FFB2;
--tertiary-300: #B3FF66;
--tertiary-500: #80FF00;
--tertiary-700: #60BF00;
--tertiary-900: #408000;
--quaternary-50: #FFE6E6;
--quaternary-100: #FFB2B2;
--quaternary-300: #FF6666;
--quaternary-500: #FF0000;
--quaternary-700: #BF0000;
--quaternary-900: #800000;
--quinary-50: #E6FFE6;
--quinary-100: #B2FFB2;
--quinary-300: #66FF66;
--quinary-500: #00FF00;
--quinary-700: #00BF00;
--quinary-900: #008000;
--neutral-50: #F0F0ED;
--neutral-100: #D2D2C9;
--neutral-300: #A4A493;
--neutral-500: #68684B;
--neutral-700: #4E4E38;
--neutral-900: #343426;
}
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Steps 50 to 300 are tints. Step 500 is the base colour. Steps 700 and 900 are shades.