#B4A021
Closest named color: Ocher (#BF9B0C). oklch(70.3% 0.137 99.6), rgb(180, 160, 33).
Aa
Black text reads best on this color (7.99:1).
About this color
#B4A021 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 70%, its chroma 0.137 and its hue 100°. Its hue sits on the warm side of the wheel. The nearest named color is Ocher (#BF9B0C), ΔE 0.019 away. Black text reads best on it, at 7.99:1.
| Hue family | Yellows |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Ocher (#BF9B0C) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #B4A021 |
| RGB | rgb(180, 160, 33) |
| HSL | hsl(52, 69%, 42%) |
| OKLCH | oklch(70.3% 0.137 99.6) |
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 #B4A021 | 2.62:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #B4A021 | 7.99:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #B4A021 text on white | 2.62:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #B4A021 text on black | 7.99:1 | AAA | Lc -50.8 | 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
#EDEBD8
oklch(93.7% 0.025 102)
-
Step 200
200
#E0DAB7
oklch(88.4% 0.047 99.2)
-
Step 300
300
#CEC281
oklch(80.9% 0.085 99)
-
Step 400
400 (this color)
#B4A021
oklch(70.3% 0.137 99.6)
-
Step 500
500
#9D8A00
oklch(63.1% 0.131 99.5)
-
Step 600
600
#847400
oklch(55.7% 0.116 99.7)
-
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)
#B4A021 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) | #B09C00 | 0.015 |
| Deuteranopia (no green cones) | #B6A32B | 0.009 |
| Tritanopia (no blue cones) | #C39389 | 0.127 |
| Achromatopsia (no color) | #A0A0A0 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4A021
#B4A021
oklch(70.3% 0.137 99.6)
- #8E94F3
#8E94F3
oklch(70.2% 0.138 279.5)
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 #B4A021, closest first.
No curated palette has a color within ΔE 0.04 of #B4A021.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocher #BF9B0C ΔE 0.019
- Brown Yellow #B29705 ΔE 0.024
- Ocre #C69C04 ΔE 0.028
- Yellow Brown #B79400 ΔE 0.030
- Dark Gold #B59410 ΔE 0.030
- Yellow Ochre #CB9D06 ΔE 0.035
- Muddy Yellow #BFAC05 ΔE 0.039
- Ochre #BF9005 ΔE 0.042
Use #B4A021 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.