#B1BF63
Closest named color: Light Olive (#ACBF69). oklch(77.4% 0.118 116.4), rgb(177, 191, 99).
Aa
Black text reads best on this color (10.50:1).
About this color
#B1BF63 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 77%, its chroma 0.118 and its hue 116°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive (#ACBF69), ΔE 0.008 away. Black text reads best on it, at 10.50:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Light Olive (#ACBF69) |
| Black text | 10.50:1 |
| White text | 1.99:1 |
Values
| HEX | #B1BF63 |
| RGB | rgb(177, 191, 99) |
| HSL | hsl(69, 42%, 57%) |
| OKLCH | oklch(77.4% 0.118 116.4) |
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 #B1BF63 | 1.99:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #B1BF63 | 10.50:1 | AAA | Lc 65.2 | Content text, not long reading |
| #B1BF63 text on white | 1.99:1 | Fails | Lc 38.7 | Non-text elements, placeholder text |
| #B1BF63 text on black | 10.50:1 | AAA | Lc -63.7 | 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
#F4F7EB
oklch(97.1% 0.016 118.1)
-
Step 100
100
#E8EDD4
oklch(93.6% 0.033 116.2)
-
Step 200
200
#D6DFAE
oklch(88.4% 0.065 116.2)
-
Step 300
300 (this color)
#B1BF63
oklch(77.4% 0.118 116.4)
-
Step 400
400
#9CAC00
oklch(70.7% 0.162 116.2)
-
Step 500
500
#859300
oklch(63% 0.144 116.3)
-
Step 600
600
#707C00
oklch(55.7% 0.128 116.3)
-
Step 700
700
#5E6800
oklch(49.2% 0.113 116.2)
-
Step 800
800
#4C5500
oklch(42.7% 0.098 116.6)
-
Step 900
900
#3F4700
oklch(37.7% 0.087 116.8)
-
Step 950
950
#252A00
oklch(27.1% 0.062 116.5)
#B1BF63 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) | #CAB75B | 0.038 |
| Deuteranopia (no green cones) | #C9B868 | 0.040 |
| Tritanopia (no blue cones) | #BAB6AA | 0.103 |
| Achromatopsia (no color) | #B7B7B7 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BF63
#B1BF63
oklch(77.4% 0.118 116.4)
- #BDA5F8
#BDA5F8
oklch(77.3% 0.119 296.8)
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 #B1BF63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive #ACBF69 ΔE 0.008
- Tan Green #A9BE70 ΔE 0.017
- Light Olive Green #A4BE5C ΔE 0.020
- Light Moss Green #A6C875 ΔE 0.026
- Dark Khaki #BDB76B ΔE 0.031
- Greenish Tan #BCCB7A ΔE 0.040
- Pale Olive #B9CC81 ΔE 0.044
- Pale Olive Green #B1D27B ΔE 0.050
Use #B1BF63 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.