#C8B540
Closest named color: Mustard (#CEB301). oklch(76.8% 0.136 99.9), rgb(200, 181, 64).
Aa
Black text reads best on this color (10.13:1).
About this color
#C8B540 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 77%, its chroma 0.136 and its hue 100°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard (#CEB301), ΔE 0.023 away. Black text reads best on it, at 10.13:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Mustard (#CEB301) |
| Black text | 10.13:1 |
| White text | 2.07:1 |
Values
| HEX | #C8B540 |
| RGB | rgb(200, 181, 64) |
| HSL | hsl(52, 55%, 52%) |
| OKLCH | oklch(76.8% 0.136 99.9) |
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 #C8B540 | 2.07:1 | Fails | Lc -44.9 | Non-text elements, placeholder text |
| Black text on #C8B540 | 10.13:1 | AAA | Lc 63.6 | Content text, not long reading |
| #C8B540 text on white | 2.07:1 | Fails | Lc 40.3 | Non-text elements, placeholder text |
| #C8B540 text on black | 10.13:1 | AAA | Lc -62.0 | 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
#F8F6E8
oklch(97.1% 0.019 100.1)
-
Step 100
100
#F0EBCD
oklch(93.6% 0.04 99.3)
-
Step 200
200
#E4DBA1
oklch(88.5% 0.076 100.3)
-
Step 300
300 (this color)
#C8B540
oklch(76.8% 0.136 99.9)
-
Step 400
400
#B6A100
oklch(70.6% 0.147 99.9)
-
Step 500
500
#9C8A00
oklch(63% 0.131 100.1)
-
Step 600
600
#837400
oklch(55.6% 0.116 100.3)
-
Step 700
700
#6F6100
oklch(49.1% 0.102 99.4)
-
Step 800
800
#5B4F00
oklch(42.7% 0.088 99.2)
-
Step 900
900
#4C4200
oklch(37.8% 0.078 99.5)
-
Step 950
950
#2D2700
oklch(27.1% 0.056 100.5)
#C8B540 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) | #C6B030 | 0.015 |
| Deuteranopia (no green cones) | #CBB747 | 0.009 |
| Tritanopia (no blue cones) | #D7A89D | 0.124 |
| Achromatopsia (no color) | #B4B4B4 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C8B540
#C8B540
oklch(76.8% 0.136 99.9)
- #A4ABFF
#A4ABFF
oklch(76.8% 0.12 279.5)
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 #C8B540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard #CEB301 ΔE 0.023
- Dark Yellow #D5B60A ΔE 0.028
- Olive Yellow #C2B709 ΔE 0.029
- Burnt Yellow #D5AB09 ΔE 0.031
- Muddy Yellow #BFAC05 ΔE 0.035
- Mustard Yellow #D2BD0A ΔE 0.037
- Dark Khaki #BDB76B ΔE 0.039
- Desert #CCAD60 ΔE 0.042
Use #C8B540 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.