#B4AB39
Closest named color: Muddy Yellow (#BFAC05). oklch(72.8% 0.132 104.8), rgb(180, 171, 57).
Aa
Black text reads best on this color (8.82:1).
About this color
#B4AB39 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 73%, its chroma 0.132 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.025 away. Black text reads best on it, at 8.82:1.
| Hue family | Yellows |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 8.82:1 |
| White text | 2.37:1 |
Values
| HEX | #B4AB39 |
| RGB | rgb(180, 171, 57) |
| HSL | hsl(56, 52%, 46%) |
| OKLCH | oklch(72.8% 0.132 104.8) |
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 #B4AB39 | 2.37:1 | Fails | Lc -51.7 | Large or bold text, headings |
| Black text on #B4AB39 | 8.82:1 | AAA | Lc 57.2 | Large or bold text, headings |
| #B4AB39 text on white | 2.37:1 | Fails | Lc 46.8 | Large or bold text, headings |
| #B4AB39 text on black | 8.82:1 | AAA | Lc -55.2 | 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
#F6F6EE
oklch(97.1% 0.011 106.6)
-
Step 100
100
#ECEBD9
oklch(93.6% 0.024 104.3)
-
Step 200
200
#DDDBB9
oklch(88.4% 0.045 104.5)
-
Step 300
300
#C8C485
oklch(80.9% 0.083 105)
-
Step 400
400 (this color)
#B4AB39
oklch(72.8% 0.132 104.8)
-
Step 500
500
#968D00
oklch(63.1% 0.134 105.1)
-
Step 600
600
#7E7600
oklch(55.5% 0.118 104.9)
-
Step 700
700
#6A6300
oklch(49.1% 0.104 104.8)
-
Step 800
800
#575100
oklch(42.7% 0.09 104.7)
-
Step 900
900
#484300
oklch(37.6% 0.08 104.8)
-
Step 950
950
#2B2800
oklch(27.1% 0.058 105.3)
#B4AB39 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) | #BAA528 | 0.017 |
| Deuteranopia (no green cones) | #BDAA40 | 0.016 |
| Tritanopia (no blue cones) | #C1A094 | 0.120 |
| Achromatopsia (no color) | #A8A8A8 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4AB39
#B4AB39
oklch(72.8% 0.132 104.8)
- #9F9AF7
#9F9AF7
oklch(72.8% 0.133 285)
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 #B4AB39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.025
- Ocher #BF9B0C ΔE 0.041
- Ocre #C69C04 ΔE 0.043
- Mustard Green #A8B504 ΔE 0.044
- Yellow Ochre #CB9D06 ΔE 0.045
- Olive Yellow #C2B709 ΔE 0.046
- Mustard #CEB301 ΔE 0.050
- Burnt Yellow #D5AB09 ΔE 0.050
Use #B4AB39 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.