#CDC02B
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.4% 0.157 104.1), rgb(205, 192, 43).
Aa
Black text reads best on this color (11.17:1).
About this color
#CDC02B is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.157 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.011 away. Black text reads best on it, at 11.17:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.17:1 |
| White text | 1.87:1 |
Values
| HEX | #CDC02B |
| RGB | rgb(205, 192, 43) |
| HSL | hsl(55, 65%, 49%) |
| OKLCH | oklch(79.4% 0.157 104.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #CDC02B | 1.87:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #CDC02B | 11.17:1 | AAA | Lc 68.4 | Content text, not long reading |
| #CDC02B text on white | 1.87:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #CDC02B text on black | 11.17:1 | AAA | Lc -67.0 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F7F6E7
oklch(97% 0.02 103.7)
-
Step 100
100
#EEECCA
oklch(93.6% 0.045 104.5)
-
Step 200
200
#E2DD99
oklch(88.6% 0.087 104.5)
-
Step 300
300 (this color)
#CDC02B
oklch(79.4% 0.157 104.1)
-
Step 400
400
#B0A400
oklch(70.6% 0.149 104.3)
-
Step 500
500
#978C00
oklch(63% 0.133 104)
-
Step 600
600
#7F7600
oklch(55.6% 0.118 104.3)
-
Step 700
700
#6B6300
oklch(49.2% 0.104 104)
-
Step 800
800
#575100
oklch(42.7% 0.09 104.7)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2B2700
oklch(26.9% 0.057 103.7)
#CDC02B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D2B900 | 0.018 |
| Deuteranopia (no green cones) | #D6C037 | 0.016 |
| Tritanopia (no blue cones) | #DDB2A5 | 0.144 |
| Achromatopsia (no color) | #BDBDBD | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDC02B
#CDC02B
oklch(79.4% 0.157 104.1)
- #B3B3FF
#B3B3FF
oklch(79.5% 0.107 283.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CDC02B, closest first.
No curated palette has a color within ΔE 0.04 of #CDC02B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.011
- Dark Yellow #D5B60A ΔE 0.025
- Olive Yellow #C2B709 ΔE 0.031
- Mustard #CEB301 ΔE 0.032
- Burnt Yellow #D5AB09 ΔE 0.052
- Muddy Yellow #BFAC05 ΔE 0.057
- Pea #A4BF20 ΔE 0.059
- Golden #F5BF03 ΔE 0.059
Use #CDC02B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.