#BFBF4B
Closest named color: Olive Yellow (#C2B709). oklch(78.2% 0.137 109.2), rgb(191, 191, 75).
Aa
Black text reads best on this color (10.76:1).
About this color
#BFBF4B is a light, moderately saturated yellow. In OKLCH its lightness is 78%, its chroma 0.137 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.031 away. Black text reads best on it, at 10.76:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 10.76:1 |
| White text | 1.95:1 |
Values
| HEX | #BFBF4B |
| RGB | rgb(191, 191, 75) |
| HSL | hsl(60, 48%, 52%) |
| OKLCH | oklch(78.2% 0.137 109.2) |
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 #BFBF4B | 1.95:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #BFBF4B | 10.76:1 | AAA | Lc 66.5 | Content text, not long reading |
| #BFBF4B text on white | 1.95:1 | Fails | Lc 37.4 | Non-text elements, placeholder text |
| #BFBF4B text on black | 10.76:1 | AAA | Lc -65.0 | 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
#F6F7E9
oklch(97.2% 0.018 110.1)
-
Step 100
100
#EBEDCE
oklch(93.6% 0.041 110.2)
-
Step 200
200
#DCDEA3
oklch(88.5% 0.077 109.5)
-
Step 300
300 (this color)
#BFBF4B
oklch(78.2% 0.137 109.2)
-
Step 400
400
#A9A700
oklch(70.7% 0.153 108.9)
-
Step 500
500
#908F00
oklch(63% 0.137 109.3)
-
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)
#BFBF4B 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) | #CDB73D | 0.026 |
| Deuteranopia (no green cones) | #CFBB52 | 0.027 |
| Tritanopia (no blue cones) | #CCB4A7 | 0.124 |
| Achromatopsia (no color) | #BABABA | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BFBF4B
#BFBF4B
oklch(78.2% 0.137 109.2)
- #B6ABFF
#B6ABFF
oklch(78.2% 0.118 289.4)
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 #BFBF4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.031
- Light Olive #ACBF69 ΔE 0.035
- Mustard Yellow #D2BD0A ΔE 0.035
- Light Olive Green #A4BE5C ΔE 0.037
- Mustard #CEB301 ΔE 0.038
- Dark Yellow #D5B60A ΔE 0.039
- Dark Khaki #BDB76B ΔE 0.043
- Tan Green #A9BE70 ΔE 0.043
Use #BFBF4B 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.