#B1B151
Closest named color: Dark Khaki (#BDB76B). oklch(74.1% 0.119 109), rgb(177, 177, 81).
Aa
Black text reads best on this color (9.27:1).
About this color
#B1B151 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 74%, its chroma 0.119 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Khaki (#BDB76B), ΔE 0.035 away. Black text reads best on it, at 9.27:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Dark Khaki (#BDB76B) |
| Black text | 9.27:1 |
| White text | 2.26:1 |
Values
| HEX | #B1B151 |
| RGB | rgb(177, 177, 81) |
| HSL | hsl(60, 38%, 51%) |
| OKLCH | oklch(74.1% 0.119 109) |
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 #B1B151 | 2.26:1 | Fails | Lc -49.4 | Large or bold text, headings |
| Black text on #B1B151 | 9.27:1 | AAA | Lc 59.4 | Large or bold text, headings |
| #B1B151 text on white | 2.26:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #B1B151 text on black | 9.27:1 | AAA | Lc -57.6 | 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
#F6F6EF
oklch(97.1% 0.009 106.6)
-
Step 100
100
#EBEBDB
oklch(93.6% 0.021 106.8)
-
Step 200
200
#DBDCBD
oklch(88.6% 0.041 108.7)
-
Step 300
300
#C4C58D
oklch(80.9% 0.074 108.8)
-
Step 400
400 (this color)
#B1B151
oklch(74.1% 0.119 109)
-
Step 500
500
#918F00
oklch(63.1% 0.137 108.8)
-
Step 600
600
#797800
oklch(55.5% 0.121 109.2)
-
Step 700
700
#666500
oklch(49.1% 0.107 109.1)
-
Step 800
800
#535200
oklch(42.6% 0.092 108.9)
-
Step 900
900
#454500
oklch(37.8% 0.082 109.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#B1B151 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) | #BEAA47 | 0.024 |
| Deuteranopia (no green cones) | #BFAE56 | 0.023 |
| Tritanopia (no blue cones) | #BCA79C | 0.107 |
| Achromatopsia (no color) | #ACACAC | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1B151
#B1B151
oklch(74.1% 0.119 109)
- #A99EF1
#A99EF1
oklch(74.1% 0.119 289.2)
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 #B1B151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Khaki #BDB76B ΔE 0.035
- Light Olive Green #A4BE5C ΔE 0.035
- Light Olive #ACBF69 ΔE 0.037
- Tan Green #A9BE70 ΔE 0.038
- Muddy Yellow #BFAC05 ΔE 0.039
- Desert #CCAD60 ΔE 0.047
- Olive Yellow #C2B709 ΔE 0.049
- Mustard Green #A8B504 ΔE 0.049
Use #B1B151 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.