#B1BF91
Closest named color: Tan Green (#A9BE70). oklch(78.2% 0.065 121.6), rgb(177, 191, 145).
Aa
Black text reads best on this color (10.73:1).
About this color
#B1BF91 is a light, muted yellow. In OKLCH its lightness is 78%, its chroma 0.065 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tan Green (#A9BE70), ΔE 0.043 away. Black text reads best on it, at 10.73:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Tan Green (#A9BE70) |
| Black text | 10.73:1 |
| White text | 1.95:1 |
Values
| HEX | #B1BF91 |
| RGB | rgb(177, 191, 145) |
| HSL | hsl(78, 26%, 66%) |
| OKLCH | oklch(78.2% 0.065 121.6) |
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 #B1BF91 | 1.95:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #B1BF91 | 10.73:1 | AAA | Lc 66.3 | Content text, not long reading |
| #B1BF91 text on white | 1.95:1 | Fails | Lc 37.7 | Non-text elements, placeholder text |
| #B1BF91 text on black | 10.73:1 | AAA | Lc -64.8 | 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
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E8ECDE
oklch(93.6% 0.019 119.8)
-
Step 200
200
#D5DDC3
oklch(88.4% 0.036 121.1)
-
Step 300
300 (this color)
#B1BF91
oklch(78.2% 0.065 121.6)
-
Step 400
400
#96AB5F
oklch(70.7% 0.104 121.8)
-
Step 500
500
#7D952C
oklch(63% 0.132 121.5)
-
Step 600
600
#677E00
oklch(55.5% 0.134 121.5)
-
Step 700
700
#566A00
oklch(49% 0.118 121.7)
-
Step 800
800
#465700
oklch(42.7% 0.103 121.8)
-
Step 900
900
#3A4807
oklch(37.6% 0.086 121.9)
-
Step 950
950
#222A08
oklch(26.9% 0.054 121.5)
#B1BF91 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) | #C5BA8E | 0.029 |
| Deuteranopia (no green cones) | #C3B993 | 0.029 |
| Tritanopia (no blue cones) | #B5BAB3 | 0.054 |
| Achromatopsia (no color) | #B9B9B9 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BF91
#B1BF91
oklch(78.2% 0.065 121.6)
- #BFAFDB
#BFAFDB
oklch(78.2% 0.064 301.5)
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 #B1BF91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tan Green #A9BE70 ΔE 0.043
- Dark Khaki #BDB76B ΔE 0.043
- Dark Sea Green #8FBC8F ΔE 0.045
- Ash Gray #BFC8AD ΔE 0.045
- Putty #BEAE8A ΔE 0.046
- Pale Olive #B9CC81 ΔE 0.048
- Very Light Brown #D3B683 ΔE 0.050
- Light Olive #ACBF69 ΔE 0.050
Use #B1BF91 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.