#B4A331
Closest named color: Ocher (#BF9B0C). oklch(71% 0.131 100.6), rgb(180, 163, 49).
Aa
Black text reads best on this color (8.22:1).
About this color
#B4A331 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 71%, its chroma 0.131 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Ocher (#BF9B0C), ΔE 0.025 away. Black text reads best on it, at 8.22:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Ocher (#BF9B0C) |
| Black text | 8.22:1 |
| White text | 2.55:1 |
Values
| HEX | #B4A331 |
| RGB | rgb(180, 163, 49) |
| HSL | hsl(52, 57%, 45%) |
| OKLCH | oklch(71% 0.131 100.6) |
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 #B4A331 | 2.55:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #B4A331 | 8.22:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #B4A331 text on white | 2.55:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #B4A331 text on black | 8.22:1 | AAA | Lc -52.1 | 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
#F7F6EE
oklch(97.2% 0.011 100.8)
-
Step 100
100
#EDEBD9
oklch(93.7% 0.024 101.7)
-
Step 200
200
#DFDBB9
oklch(88.6% 0.045 101.7)
-
Step 300
300
#CCC384
oklch(81% 0.083 101.1)
-
Step 400
400 (this color)
#B4A331
oklch(71% 0.131 100.6)
-
Step 500
500
#9C8A00
oklch(63% 0.131 100.1)
-
Step 600
600
#837400
oklch(55.6% 0.116 100.3)
-
Step 700
700
#6E6100
oklch(49% 0.102 100.2)
-
Step 800
800
#5A5000
oklch(42.8% 0.089 101.1)
-
Step 900
900
#4B4200
oklch(37.7% 0.078 100.6)
-
Step 950
950
#2D2700
oklch(27.1% 0.056 100.5)
#B4A331 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) | #B39E1E | 0.015 |
| Deuteranopia (no green cones) | #B7A538 | 0.008 |
| Tritanopia (no blue cones) | #C2978D | 0.121 |
| Achromatopsia (no color) | #A2A2A2 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4A331
#B4A331
oklch(71% 0.131 100.6)
- #9397F1
#9397F1
oklch(71% 0.13 280.6)
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 #B4A331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocher #BF9B0C ΔE 0.025
- Ocre #C69C04 ΔE 0.031
- Brown Yellow #B29705 ΔE 0.032
- Muddy Yellow #BFAC05 ΔE 0.036
- Yellow Ochre #CB9D06 ΔE 0.036
- Yellow Brown #B79400 ΔE 0.038
- Dark Gold #B59410 ΔE 0.038
- Ochre #BF9005 ΔE 0.048
Use #B4A331 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.