#BFBF45
Closest named color: Olive Yellow (#C2B709). oklch(78.2% 0.142 109.3), rgb(191, 191, 69).
Aa
Black text reads best on this color (10.75:1).
About this color
#BFBF45 is a light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.142 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.028 away. Black text reads best on it, at 10.75:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 10.75:1 |
| White text | 1.95:1 |
Values
| HEX | #BFBF45 |
| RGB | rgb(191, 191, 69) |
| HSL | hsl(60, 49%, 51%) |
| OKLCH | oklch(78.2% 0.142 109.3) |
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 #BFBF45 | 1.95:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #BFBF45 | 10.75:1 | AAA | Lc 66.5 | Content text, not long reading |
| #BFBF45 text on white | 1.95:1 | Fails | Lc 37.5 | Non-text elements, placeholder text |
| #BFBF45 text on black | 10.75:1 | 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
#F6F7E8
oklch(97.1% 0.02 109.9)
-
Step 100
100
#EBEDCE
oklch(93.6% 0.041 110.2)
-
Step 200
200
#DCDEA1
oklch(88.4% 0.079 109.5)
-
Step 300
300 (this color)
#BFBF45
oklch(78.2% 0.142 109.3)
-
Step 400
400
#A8A700
oklch(70.6% 0.153 109.3)
-
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
#535300
oklch(42.8% 0.093 109.8)
-
Step 900
900
#454500
oklch(37.8% 0.082 109.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#BFBF45 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) | #CEB735 | 0.027 |
| Deuteranopia (no green cones) | #CFBB4D | 0.028 |
| Tritanopia (no blue cones) | #CCB3A6 | 0.128 |
| Achromatopsia (no color) | #B9B9B9 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BFBF45
#BFBF45
oklch(78.2% 0.142 109.3)
- #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 #BFBF45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.028
- Mustard Yellow #D2BD0A ΔE 0.032
- Mustard #CEB301 ΔE 0.036
- Dark Yellow #D5B60A ΔE 0.037
- Light Olive #ACBF69 ΔE 0.038
- Light Olive Green #A4BE5C ΔE 0.039
- Tan Green #A9BE70 ΔE 0.047
- Pea #A4BF20 ΔE 0.047
Use #BFBF45 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.