#BFBB57
Closest named color: Dark Khaki (#BDB76B). oklch(77.5% 0.123 106.8), rgb(191, 187, 87).
Aa
Black text reads best on this color (10.46:1).
About this color
#BFBB57 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 78%, its chroma 0.123 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Khaki (#BDB76B), ΔE 0.026 away. Black text reads best on it, at 10.46:1.
| Hue family | Yellows |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Dark Khaki (#BDB76B) |
| Black text | 10.46:1 |
| White text | 2.00:1 |
Values
| HEX | #BFBB57 |
| RGB | rgb(191, 187, 87) |
| HSL | hsl(58, 45%, 55%) |
| OKLCH | oklch(77.5% 0.123 106.8) |
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 #BFBB57 | 2.00:1 | Fails | Lc -43.3 | Non-text elements, placeholder text |
| Black text on #BFBB57 | 10.46:1 | AAA | Lc 65.1 | Content text, not long reading |
| #BFBB57 text on white | 2.00:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #BFBB57 text on black | 10.46:1 | AAA | Lc -63.5 | Content text, not long reading |
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 300.
-
Step 50
50
#F6F6EA
oklch(97% 0.016 106.7)
-
Step 100
100
#ECECD1
oklch(93.6% 0.036 107.1)
-
Step 200
200
#DEDDA9
oklch(88.6% 0.068 106.8)
-
Step 300
300 (this color)
#BFBB57
oklch(77.5% 0.123 106.8)
-
Step 400
400
#ACA600
oklch(70.7% 0.152 107.1)
-
Step 500
500
#948E00
oklch(63.1% 0.135 106.7)
-
Step 600
600
#7C7700
oklch(55.6% 0.119 106.8)
-
Step 700
700
#686400
oklch(49.1% 0.105 107)
-
Step 800
800
#555200
oklch(42.8% 0.092 107.3)
-
Step 900
900
#474400
oklch(37.7% 0.081 106.8)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#BFBB57 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) | #C9B54D | 0.019 |
| Deuteranopia (no green cones) | #CBB95C | 0.020 |
| Tritanopia (no blue cones) | #CBB0A5 | 0.111 |
| Achromatopsia (no color) | #B7B7B7 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BFBB57
#BFBB57
oklch(77.5% 0.123 106.8)
- #B0AAFF
#B0AAFF
oklch(77.5% 0.12 286.5)
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 #BFBB57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Khaki #BDB76B ΔE 0.026
- Light Olive #ACBF69 ΔE 0.028
- Tan Green #A9BE70 ΔE 0.034
- Light Olive Green #A4BE5C ΔE 0.036
- Olive Yellow #C2B709 ΔE 0.040
- Mustard #CEB301 ΔE 0.042
- Light Moss Green #A6C875 ΔE 0.044
- Dark Yellow #D5B60A ΔE 0.045
Use #BFBB57 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.