#B1AD20
Closest named color: Muddy Yellow (#BFAC05). oklch(72.8% 0.149 107.8), rgb(177, 173, 32).
Aa
Black text reads best on this color (8.86:1).
About this color
#B1AD20 is a medium-light, vivid yellow. In OKLCH its lightness is 73%, its chroma 0.149 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.020 away. Black text reads best on it, at 8.86:1.
| Hue family | Yellows |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 8.86:1 |
| White text | 2.36:1 |
Values
| HEX | #B1AD20 |
| RGB | rgb(177, 173, 32) |
| HSL | hsl(58, 69%, 41%) |
| OKLCH | oklch(72.8% 0.149 107.8) |
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 #B1AD20 | 2.36:1 | Fails | Lc -51.5 | Large or bold text, headings |
| Black text on #B1AD20 | 8.86:1 | AAA | Lc 57.5 | Large or bold text, headings |
| #B1AD20 text on white | 2.36:1 | Fails | Lc 46.5 | Large or bold text, headings |
| #B1AD20 text on black | 8.86:1 | AAA | Lc -55.5 | 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
#F6F6ED
oklch(97.1% 0.012 106.6)
-
Step 100
100
#EBECD7
oklch(93.7% 0.028 109.1)
-
Step 200
200
#DCDCB5
oklch(88.5% 0.052 107.4)
-
Step 300
300
#C6C57E
oklch(80.8% 0.092 107.6)
-
Step 400
400 (this color)
#B1AD20
oklch(72.8% 0.149 107.8)
-
Step 500
500
#928E00
oklch(63% 0.136 107.7)
-
Step 600
600
#7B7800
oklch(55.7% 0.12 108)
-
Step 700
700
#676400
oklch(49% 0.105 107.7)
-
Step 800
800
#545200
oklch(42.7% 0.092 108.1)
-
Step 900
900
#464400
oklch(37.6% 0.081 107.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#B1AD20 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) | #BCA600 | 0.022 |
| Deuteranopia (no green cones) | #BEAB2D | 0.023 |
| Tritanopia (no blue cones) | #BEA194 | 0.135 |
| Achromatopsia (no color) | #A8A8A8 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1AD20
#B1AD20
oklch(72.8% 0.149 107.8)
- #A396FF
#A396FF
oklch(72.8% 0.15 287.8)
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 #B1AD20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.020
- Mustard Green #A8B504 ΔE 0.028
- Olive Yellow #C2B709 ΔE 0.039
- Avocado #90B134 ΔE 0.044
- Icky Green #8FAE22 ΔE 0.047
- Mustard #CEB301 ΔE 0.048
- Pea Soup Green #94A617 ΔE 0.048
- Ocher #BF9B0C ΔE 0.048
Use #B1AD20 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.