#C4B548
Closest named color: Mustard (#CEB301). oklch(76.5% 0.13 101.5), rgb(196, 181, 72).
Aa
Black text reads best on this color (10.05:1).
About this color
#C4B548 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 77%, its chroma 0.130 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard (#CEB301), ΔE 0.030 away. Black text reads best on it, at 10.05:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Mustard (#CEB301) |
| Black text | 10.05:1 |
| White text | 2.08:1 |
Values
| HEX | #C4B548 |
| RGB | rgb(196, 181, 72) |
| HSL | hsl(53, 51%, 53%) |
| OKLCH | oklch(76.5% 0.13 101.5) |
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 #C4B548 | 2.08:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #C4B548 | 10.05:1 | AAA | Lc 63.2 | Content text, not long reading |
| #C4B548 text on white | 2.08:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #C4B548 text on black | 10.05:1 | AAA | Lc -61.5 | 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
#F8F6E9
oklch(97.1% 0.017 99.6)
-
Step 100
100
#EFEBCF
oklch(93.6% 0.037 100.4)
-
Step 200
200
#E3DBA4
oklch(88.5% 0.072 100.8)
-
Step 300
300 (this color)
#C4B548
oklch(76.5% 0.13 101.5)
-
Step 400
400
#B4A200
oklch(70.6% 0.147 101.4)
-
Step 500
500
#9B8B00
oklch(63.1% 0.132 101.2)
-
Step 600
600
#827500
oklch(55.7% 0.116 101.7)
-
Step 700
700
#6D6200
oklch(49.1% 0.103 101.8)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900
#4B4200
oklch(37.7% 0.078 100.6)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#C4B548 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) | #C5B03B | 0.013 |
| Deuteranopia (no green cones) | #C9B64E | 0.010 |
| Tritanopia (no blue cones) | #D2A99E | 0.118 |
| Achromatopsia (no color) | #B3B3B3 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4B548
#C4B548
oklch(76.5% 0.13 101.5)
- #A6A9FF
#A6A9FF
oklch(76.6% 0.123 281.6)
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 #C4B548, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard #CEB301 ΔE 0.030
- Dark Khaki #BDB76B ΔE 0.032
- Olive Yellow #C2B709 ΔE 0.033
- Dark Yellow #D5B60A ΔE 0.035
- Muddy Yellow #BFAC05 ΔE 0.036
- Burnt Yellow #D5AB09 ΔE 0.036
- Desert #CCAD60 ΔE 0.039
- Light Olive #ACBF69 ΔE 0.041
Use #C4B548 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.