#B1EF91
Closest named color: Washed Out Green (#BCF5A6). oklch(88.8% 0.138 135.6), rgb(177, 239, 145).
Aa
Black text reads best on this color (15.62:1).
About this color
#B1EF91 is a light, moderately saturated green. In OKLCH its lightness is 89%, its chroma 0.138 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Washed Out Green (#BCF5A6), ΔE 0.031 away. Black text reads best on it, at 15.62:1.
| Hue family | Greens |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Washed Out Green (#BCF5A6) |
| Black text | 15.62:1 |
| White text | 1.34:1 |
Values
| HEX | #B1EF91 |
| RGB | rgb(177, 239, 145) |
| HSL | hsl(100, 75%, 75%) |
| OKLCH | oklch(88.8% 0.138 135.6) |
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 #B1EF91 | 1.34:1 | Fails | Lc -19.3 | Dividers and decoration only |
| Black text on #B1EF91 | 15.62:1 | AAA | Lc 86.8 | Fine for body text |
| #B1EF91 text on white | 1.34:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #B1EF91 text on black | 15.62:1 | AAA | Lc -86.8 | Fine for body text |
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 200.
-
Step 50
50
#EFF9EA
oklch(97.1% 0.022 134.9)
-
Step 100
100
#DBF2D0
oklch(93.5% 0.051 135.4)
-
Step 200
200 (this color)
#B1EF91
oklch(88.8% 0.138 135.6)
-
Step 300
300
#8AD95C
oklch(80.8% 0.178 135.5)
-
Step 400
400
#5EBB00
oklch(70.6% 0.208 135.6)
-
Step 500
500
#50A100
oklch(63.2% 0.187 135.6)
-
Step 600
600
#428700
oklch(55.6% 0.164 135.6)
-
Step 700
700
#377200
oklch(49.2% 0.145 135.5)
-
Step 800
800
#2C5D00
oklch(42.7% 0.126 135.4)
-
Step 900
900
#234E00
oklch(37.8% 0.112 135.7)
-
Step 950
950
#132E00
oklch(26.9% 0.079 135.2)
#B1EF91 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) | #F6E28A | 0.089 |
| Deuteranopia (no green cones) | #ECDC96 | 0.088 |
| Tritanopia (no blue cones) | #B0E8D8 | 0.099 |
| Achromatopsia (no color) | #DEDEDE | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1EF91
#B1EF91
oklch(88.8% 0.138 135.6)
- #EFCBFF
#EFCBFF
oklch(88.9% 0.08 315.4)
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 #B1EF91, closest first.
No curated palette has a color within ΔE 0.04 of #B1EF91.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Washed Out Green #BCF5A6 ΔE 0.031
- Pale Light Green #B1FC99 ΔE 0.033
- Light Pastel Green #B2FBA5 ΔE 0.034
- Light Green #90EE90 ΔE 0.035
- Pale Green #98FB98 ΔE 0.036
- Pistachio #C0FA8B ΔE 0.037
- Light Sage #BCECAC ΔE 0.040
- Light Mint Green #A6FBB2 ΔE 0.041
Use #B1EF91 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.