#91F9B9
Closest named color: Light Blue Green (#7EFBB3). oklch(90.2% 0.132 155.6), rgb(145, 249, 185).
Aa
Black text reads best on this color (16.45:1).
About this color
#91F9B9 is a very light, moderately saturated green. In OKLCH its lightness is 90%, its chroma 0.132 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Blue Green (#7EFBB3), ΔE 0.020 away. Black text reads best on it, at 16.45:1.
| Hue family | Greens |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Light Blue Green (#7EFBB3) |
| Black text | 16.45:1 |
| White text | 1.27:1 |
Values
| HEX | #91F9B9 |
| RGB | rgb(145, 249, 185) |
| HSL | hsl(143, 90%, 77%) |
| OKLCH | oklch(90.2% 0.132 155.6) |
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 #91F9B9 | 1.27:1 | Fails | Lc -15.6 | Dividers and decoration only |
| Black text on #91F9B9 | 16.45:1 | AAA | Lc 90.1 | Preferred for body text |
| #91F9B9 text on white | 1.27:1 | Fails | Lc 13.5 | Not readable |
| #91F9B9 text on black | 16.45:1 | AAA | Lc -90.3 | Preferred 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
#EAFAEF
oklch(97% 0.022 155.9)
-
Step 100
100
#D1F4DC
oklch(93.6% 0.049 155.4)
-
Step 200
200 (this color)
#91F9B9
oklch(90.2% 0.132 155.6)
-
Step 300
300
#4BE090
oklch(80.9% 0.17 155.6)
-
Step 400
400
#00BF70
oklch(70.7% 0.173 155.6)
-
Step 500
500
#00A45F
oklch(63.2% 0.155 155.5)
-
Step 600
600
#008A4F
oklch(55.7% 0.136 155.4)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F35
oklch(42.7% 0.104 155.6)
-
Step 900
900
#004F2B
oklch(37.6% 0.092 155.5)
-
Step 950
950
#003018
oklch(27.2% 0.067 155.5)
#91F9B9 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) | #F8EAB5 | 0.120 |
| Deuteranopia (no green cones) | #E8DFBD | 0.117 |
| Tritanopia (no blue cones) | #7AF7E8 | 0.065 |
| Achromatopsia (no color) | #E4E4E4 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91F9B9
#91F9B9
oklch(90.2% 0.132 155.6)
- #FFCDF2
#FFCDF2
oklch(90.3% 0.074 335.6)
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 #91F9B9, closest first.
No curated palette has a color within ΔE 0.04 of #91F9B9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Green #7EFBB3 ΔE 0.020
- Light Aquamarine #7BFDC7 ΔE 0.021
- Light Seafoam #A0FEBF ΔE 0.021
- Light Mint Green #A6FBB2 ΔE 0.022
- Seafoam #80F9AD ΔE 0.023
- Mint #9FFEB0 ΔE 0.024
- Foam Green #90FDA9 ΔE 0.026
- Seafoam Green #7AF9AB ΔE 0.029
Use #91F9B9 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.