#91FBBA
Closest named color: Light Seafoam (#A0FEBF). oklch(90.7% 0.134 155.6), rgb(145, 251, 186).
Aa
Black text reads best on this color (16.71:1).
About this color
#91FBBA is a very light, moderately saturated green. In OKLCH its lightness is 91%, its chroma 0.134 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Seafoam (#A0FEBF), ΔE 0.018 away. Black text reads best on it, at 16.71:1.
| Hue family | Greens |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Light Seafoam (#A0FEBF) |
| Black text | 16.71:1 |
| White text | 1.25:1 |
Values
| HEX | #91FBBA |
| RGB | rgb(145, 251, 186) |
| HSL | hsl(143, 93%, 78%) |
| OKLCH | oklch(90.7% 0.134 155.6) |
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 #91FBBA | 1.25:1 | Fails | Lc -14.5 | Not readable |
| Black text on #91FBBA | 16.71:1 | AAA | Lc 91.0 | Preferred for body text |
| #91FBBA text on white | 1.25:1 | Fails | Lc 12.6 | Not readable |
| #91FBBA text on black | 16.71:1 | AAA | Lc -91.4 | 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
#D0F4DC
oklch(93.5% 0.049 156.1)
-
Step 200
200 (this color)
#91FBBA
oklch(90.7% 0.134 155.6)
-
Step 300
300
#47E18F
oklch(81% 0.174 155.5)
-
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)
#91FBBA 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) | #FAECB6 | 0.122 |
| Deuteranopia (no green cones) | #EAE1BE | 0.118 |
| Tritanopia (no blue cones) | #7AF9E9 | 0.065 |
| Achromatopsia (no color) | #E5E5E5 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91FBBA
#91FBBA
oklch(90.7% 0.134 155.6)
- #FFCFF3
#FFCFF3
oklch(90.6% 0.071 335.1)
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 #91FBBA, closest first.
No curated palette has a color within ΔE 0.04 of #91FBBA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Seafoam #A0FEBF ΔE 0.018
- Light Blue Green #7EFBB3 ΔE 0.020
- Light Mint Green #A6FBB2 ΔE 0.020
- Mint #9FFEB0 ΔE 0.021
- Light Aquamarine #7BFDC7 ΔE 0.021
- Seafoam #80F9AD ΔE 0.024
- Foam Green #90FDA9 ΔE 0.024
- Light Seafoam Green #A7FFB5 ΔE 0.025
Use #91FBBA 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.