#CBB809
Closest named color: Mustard (#CEB301). oklch(77.5% 0.161 101.9), rgb(203, 184, 9).
Aa
Black text reads best on this color (10.39:1).
About this color
#CBB809 is a medium-light, vivid yellow. In OKLCH its lightness is 77%, its chroma 0.161 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard (#CEB301), ΔE 0.013 away. Black text reads best on it, at 10.39:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Mustard (#CEB301) |
| Black text | 10.39:1 |
| White text | 2.01:1 |
Values
| HEX | #CBB809 |
| RGB | rgb(203, 184, 9) |
| HSL | hsl(54, 92%, 42%) |
| OKLCH | oklch(77.5% 0.161 101.9) |
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 #CBB809 | 2.01:1 | Fails | Lc -43.5 | Non-text elements, placeholder text |
| Black text on #CBB809 | 10.39:1 | AAA | Lc 64.9 | Content text, not long reading |
| #CBB809 text on white | 2.01:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #CBB809 text on black | 10.39:1 | AAA | Lc -63.4 | 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
#F8F6E6
oklch(97% 0.021 101)
-
Step 100
100
#F0ECC8
oklch(93.7% 0.047 102)
-
Step 200
200
#E5DC96
oklch(88.6% 0.09 101.8)
-
Step 300
300 (this color)
#CBB809
oklch(77.5% 0.161 101.9)
-
Step 400
400
#B4A300
oklch(70.8% 0.148 101.9)
-
Step 500
500
#9A8B00
oklch(63% 0.132 101.8)
-
Step 600
600
#817500
oklch(55.6% 0.117 102.3)
-
Step 700
700
#6D6200
oklch(49.1% 0.103 101.8)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900
#4A4200
oklch(37.6% 0.079 101.6)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#CBB809 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) | #CBB200 | 0.015 |
| Deuteranopia (no green cones) | #D0BA22 | 0.012 |
| Tritanopia (no blue cones) | #DCAA9D | 0.148 |
| Achromatopsia (no color) | #B6B6B6 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBB809
#CBB809
oklch(77.5% 0.161 101.9)
- #AAACFF
#AAACFF
oklch(77.5% 0.118 282.2)
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 #CBB809, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard #CEB301 ΔE 0.013
- Olive Yellow #C2B709 ΔE 0.014
- Dark Yellow #D5B60A ΔE 0.016
- Mustard Yellow #D2BD0A ΔE 0.017
- Burnt Yellow #D5AB09 ΔE 0.036
- Muddy Yellow #BFAC05 ΔE 0.038
- Mustard Green #A8B504 ΔE 0.053
- Goldenrod #DAA520 ΔE 0.055
Use #CBB809 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.