#B1F590
Closest named color: Pale Light Green (#B1FC99). oklch(90.2% 0.148 136), rgb(177, 245, 144).
Aa
Black text reads best on this color (16.33:1).
About this color
#B1F590 is a very light, vivid green. In OKLCH its lightness is 90%, its chroma 0.148 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Light Green (#B1FC99), ΔE 0.018 away. Black text reads best on it, at 16.33:1.
| Hue family | Greens |
| Lightness | very light (90%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Pale Light Green (#B1FC99) |
| Black text | 16.33:1 |
| White text | 1.28:1 |
Values
| HEX | #B1F590 |
| RGB | rgb(177, 245, 144) |
| HSL | hsl(100, 83%, 76%) |
| OKLCH | oklch(90.2% 0.148 136) |
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 #B1F590 | 1.28:1 | Fails | Lc -16.2 | Dividers and decoration only |
| Black text on #B1F590 | 16.33:1 | AAA | Lc 89.6 | Fine for body text |
| #B1F590 text on white | 1.28:1 | Fails | Lc 14.1 | Not readable |
| #B1F590 text on black | 16.33:1 | AAA | Lc -89.8 | 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
#EEFAE9
oklch(97.2% 0.026 136.3)
-
Step 100
100
#DAF3CF
oklch(93.6% 0.055 136.1)
-
Step 200
200 (this color)
#B1F590
oklch(90.2% 0.148 136)
-
Step 300
300
#84DB53
oklch(80.8% 0.191 136)
-
Step 400
400
#5CBC00
oklch(70.8% 0.211 136)
-
Step 500
500
#4EA100
oklch(63.1% 0.188 136)
-
Step 600
600
#408700
oklch(55.5% 0.165 136)
-
Step 700
700
#357200
oklch(49.1% 0.146 136)
-
Step 800
800
#2A5D00
oklch(42.6% 0.127 136)
-
Step 900
900
#224E00
oklch(37.7% 0.112 136.1)
-
Step 950
950
#122F00
oklch(27.2% 0.081 136)
#B1F590 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) | #FCE788 | 0.096 |
| Deuteranopia (no green cones) | #F2E196 | 0.095 |
| Tritanopia (no blue cones) | #B0EEDC | 0.105 |
| Achromatopsia (no color) | #E3E3E3 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1F590
#B1F590
oklch(90.2% 0.148 136)
- #F1D1FF
#F1D1FF
oklch(90.2% 0.071 315.6)
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 #B1F590, closest first.
No curated palette has a color within ΔE 0.04 of #B1F590.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Light Green #B1FC99 ΔE 0.018
- Pistachio #C0FA8B ΔE 0.023
- Light Pastel Green #B2FBA5 ΔE 0.025
- Pastel Green #B0FF9D ΔE 0.026
- Pale Green #98FB98 ΔE 0.026
- Celery #C1FD95 ΔE 0.029
- Washed Out Green #BCF5A6 ΔE 0.031
- Mint Green #8FFF9F ΔE 0.037
Use #B1F590 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.