#B4A728
Closest named color: Muddy Yellow (#BFAC05). oklch(71.8% 0.139 103.2), rgb(180, 167, 40).
Aa
Black text reads best on this color (8.49:1).
About this color
#B4A728 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 72%, its chroma 0.139 and its hue 103°. 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 8.49:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 8.49:1 |
| White text | 2.47:1 |
Values
| HEX | #B4A728 |
| RGB | rgb(180, 167, 40) |
| HSL | hsl(54, 64%, 43%) |
| OKLCH | oklch(71.8% 0.139 103.2) |
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 #B4A728 | 2.47:1 | Fails | Lc -53.5 | Large or bold text, headings |
| Black text on #B4A728 | 8.49:1 | AAA | Lc 55.6 | Large or bold text, headings |
| #B4A728 text on white | 2.47:1 | Fails | Lc 48.4 | Large or bold text, headings |
| #B4A728 text on black | 8.49:1 | AAA | Lc -53.6 | 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
#ECEBD8
oklch(93.6% 0.025 104.4)
-
Step 200
200
#DEDBB7
oklch(88.5% 0.048 103.4)
-
Step 300
300
#CAC481
oklch(81% 0.087 103.8)
-
Step 400
400 (this color)
#B4A728
oklch(71.8% 0.139 103.2)
-
Step 500
500
#988C00
oklch(63.1% 0.133 103.5)
-
Step 600
600
#807500
oklch(55.5% 0.117 103)
-
Step 700
700
#6C6300
oklch(49.3% 0.104 103.3)
-
Step 800
800
#585000
oklch(42.6% 0.089 102.9)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#B4A728 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) | #B7A106 | 0.016 |
| Deuteranopia (no green cones) | #BBA732 | 0.013 |
| Tritanopia (no blue cones) | #C29B8F | 0.127 |
| Achromatopsia (no color) | #A5A5A5 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4A728
#B4A728
oklch(71.8% 0.139 103.2)
- #9997F8
#9997F8
oklch(71.8% 0.139 283.2)
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 #B4A728, 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 0.032
- Ocre #C69C04 ΔE 0.036
- Yellow Ochre #CB9D06 ΔE 0.040
- Brown Yellow #B29705 ΔE 0.041
- Mustard Green #A8B504 ΔE 0.045
- Yellow Brown #B79400 ΔE 0.048
- Dark Gold #B59410 ΔE 0.048
Use #B4A728 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.