#B1EF99
Closest named color: Washed Out Green (#BCF5A6). oklch(89% 0.13 137.3), rgb(177, 239, 153).
Aa
Black text reads best on this color (15.67:1).
About this color
#B1EF99 is a light, moderately saturated green. In OKLCH its lightness is 89%, its chroma 0.130 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Washed Out Green (#BCF5A6), ΔE 0.025 away. Black text reads best on it, at 15.67:1.
| Hue family | Greens |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Washed Out Green (#BCF5A6) |
| Black text | 15.67:1 |
| White text | 1.33:1 |
Values
| HEX | #B1EF99 |
| RGB | rgb(177, 239, 153) |
| HSL | hsl(103, 73%, 77%) |
| OKLCH | oklch(89% 0.13 137.3) |
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 #B1EF99 | 1.33:1 | Fails | Lc -19.1 | Dividers and decoration only |
| Black text on #B1EF99 | 15.67:1 | AAA | Lc 87.0 | Fine for body text |
| #B1EF99 text on white | 1.33:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #B1EF99 text on black | 15.67:1 | AAA | Lc -87.0 | 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
#EFF9EB
oklch(97.1% 0.021 136.6)
-
Step 100
100
#DBF2D3
oklch(93.6% 0.048 137.6)
-
Step 200
200 (this color)
#B1EF99
oklch(89% 0.13 137.3)
-
Step 300
300
#8AD968
oklch(80.9% 0.167 137.1)
-
Step 400
400
#53BD00
oklch(70.7% 0.216 137.3)
-
Step 500
500
#46A200
oklch(63.1% 0.192 137.3)
-
Step 600
600
#3A8800
oklch(55.5% 0.169 137.3)
-
Step 700
700
#307300
oklch(49.2% 0.15 137.3)
-
Step 800
800
#265E00
oklch(42.7% 0.13 137.2)
-
Step 900
900
#1E4E00
oklch(37.5% 0.114 137.3)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#B1EF99 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) | #F5E293 | 0.088 |
| Deuteranopia (no green cones) | #EBDC9E | 0.087 |
| Tritanopia (no blue cones) | #AFE9D9 | 0.090 |
| Achromatopsia (no color) | #DEDEDE | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1EF99
#B1EF99
oklch(89% 0.13 137.3)
- #F1CAFF
#F1CAFF
oklch(88.9% 0.083 317.1)
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 #B1EF99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Washed Out Green #BCF5A6 ΔE 0.025
- Light Pastel Green #B2FBA5 ΔE 0.031
- Light Sage #BCECAC ΔE 0.031
- Pale Light Green #B1FC99 ΔE 0.035
- Light Mint Green #A6FBB2 ΔE 0.035
- Light Green #90EE90 ΔE 0.038
- Pale Green #98FB98 ΔE 0.039
- Mint #9FFEB0 ΔE 0.041
Use #B1EF99 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.