#C4B040
Closest named color: Muddy Yellow (#BFAC05). oklch(75.4% 0.131 99), rgb(196, 176, 64).
Aa
Black text reads best on this color (9.63:1).
About this color
#C4B040 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 75%, its chroma 0.131 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.028 away. Black text reads best on it, at 9.63:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 9.63:1 |
| White text | 2.18:1 |
Values
| HEX | #C4B040 |
| RGB | rgb(196, 176, 64) |
| HSL | hsl(51, 53%, 51%) |
| OKLCH | oklch(75.4% 0.131 99) |
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 #C4B040 | 2.18:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #C4B040 | 9.63:1 | AAA | Lc 61.2 | Content text, not long reading |
| #C4B040 text on white | 2.18:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #C4B040 text on black | 9.63:1 | AAA | Lc -59.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F7F6ED
oklch(97.1% 0.012 101.5)
-
Step 100
100
#EDEAD9
oklch(93.5% 0.023 98.6)
-
Step 200
200
#E0DAB8
oklch(88.4% 0.046 99)
-
Step 300
300
#CDC284
oklch(80.9% 0.082 99.4)
-
Step 400
400 (this color)
#C4B040
oklch(75.4% 0.131 99)
-
Step 500
500
#9D8A00
oklch(63.1% 0.131 99.5)
-
Step 600
600
#847300
oklch(55.5% 0.115 98.9)
-
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
#2D2600
oklch(26.8% 0.056 98.7)
#C4B040 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) | #C1AB31 | 0.016 |
| Deuteranopia (no green cones) | #C6B346 | 0.009 |
| Tritanopia (no blue cones) | #D3A399 | 0.121 |
| Achromatopsia (no color) | #B0B0B0 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4B040
#C4B040
oklch(75.4% 0.131 99)
- #9EA6FF
#9EA6FF
oklch(75.4% 0.128 278.9)
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 #C4B040, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.028
- Mustard #CEB301 ΔE 0.030
- Burnt Yellow #D5AB09 ΔE 0.030
- Olive Yellow #C2B709 ΔE 0.035
- Desert #CCAD60 ΔE 0.037
- Dark Khaki #BDB76B ΔE 0.038
- Dark Yellow #D5B60A ΔE 0.039
- Goldenrod #DAA520 ΔE 0.040
Use #C4B040 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.