#B1F090
Closest named color: Pale Light Green (#B1FC99). oklch(89% 0.141 135.5), rgb(177, 240, 144).
Aa
Black text reads best on this color (15.73:1).
About this color
#B1F090 is a light, vivid green. In OKLCH its lightness is 89%, its chroma 0.141 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Light Green (#B1FC99), ΔE 0.031 away. Black text reads best on it, at 15.73:1.
| Hue family | Greens |
| Lightness | light (89%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Pale Light Green (#B1FC99) |
| Black text | 15.73:1 |
| White text | 1.33:1 |
Values
| HEX | #B1F090 |
| RGB | rgb(177, 240, 144) |
| HSL | hsl(99, 76%, 75%) |
| OKLCH | oklch(89% 0.141 135.5) |
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 #B1F090 | 1.33:1 | Fails | Lc -18.8 | Dividers and decoration only |
| Black text on #B1F090 | 15.73:1 | AAA | Lc 87.3 | Fine for body text |
| #B1F090 text on white | 1.33:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #B1F090 text on black | 15.73:1 | AAA | Lc -87.3 | 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
#EFF9E9
oklch(97% 0.024 133.5)
-
Step 100
100
#DBF2D0
oklch(93.5% 0.051 135.4)
-
Step 200
200 (this color)
#B1F090
oklch(89% 0.141 135.5)
-
Step 300
300
#89DA5A
oklch(80.9% 0.181 135.6)
-
Step 400
400
#5FBB00
oklch(70.7% 0.208 135.4)
-
Step 500
500
#50A000
oklch(63% 0.186 135.5)
-
Step 600
600
#438700
oklch(55.6% 0.164 135.4)
-
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
#244E00
oklch(37.8% 0.111 135.4)
-
Step 950
950
#132E00
oklch(26.9% 0.079 135.2)
#B1F090 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) | #F7E289 | 0.091 |
| Deuteranopia (no green cones) | #EDDD95 | 0.089 |
| Tritanopia (no blue cones) | #B0E9D8 | 0.100 |
| Achromatopsia (no color) | #DFDFDF | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1F090
#B1F090
oklch(89% 0.141 135.5)
- #EFCCFF
#EFCCFF
oklch(89.1% 0.078 315.2)
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 #B1F090, closest first.
No curated palette has a color within ΔE 0.04 of #B1F090.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Light Green #B1FC99 ΔE 0.031
- Washed Out Green #BCF5A6 ΔE 0.031
- Light Pastel Green #B2FBA5 ΔE 0.032
- Pale Green #98FB98 ΔE 0.034
- Pistachio #C0FA8B ΔE 0.035
- Light Green #90EE90 ΔE 0.035
- Pastel Green #B0FF9D ΔE 0.038
- Light Mint Green #A6FBB2 ΔE 0.040
Use #B1F090 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.