#91D39F
Closest named color: Seafoam Blue (#78D1B6). oklch(80.9% 0.099 150.3), rgb(145, 211, 159).
Aa
Black text reads best on this color (12.02:1).
About this color
#91D39F is a light, moderately saturated green. In OKLCH its lightness is 81%, its chroma 0.099 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.039 away. Black text reads best on it, at 12.02:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.02:1 |
| White text | 1.74:1 |
Values
| HEX | #91D39F |
| RGB | rgb(145, 211, 159) |
| HSL | hsl(133, 43%, 70%) |
| OKLCH | oklch(80.9% 0.099 150.3) |
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 #91D39F | 1.74:1 | Fails | Lc -35.7 | Non-text elements, placeholder text |
| Black text on #91D39F | 12.02:1 | AAA | Lc 72.1 | Content text, not long reading |
| #91D39F text on white | 1.74:1 | Fails | Lc 31.7 | Non-text elements, placeholder text |
| #91D39F text on black | 12.02:1 | AAA | Lc -71.0 | Content text, not long reading |
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 300.
-
Step 50
50
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DDF0E0
oklch(93.7% 0.029 150.1)
-
Step 200
200
#C0E4C7
oklch(88.5% 0.055 150.9)
-
Step 300
300 (this color)
#91D39F
oklch(80.9% 0.099 150.3)
-
Step 400
400
#45BB6A
oklch(70.6% 0.158 150.5)
-
Step 500
500
#00A54D
oklch(63.1% 0.172 150.4)
-
Step 600
600
#008B40
oklch(55.7% 0.152 150.4)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#91D39F 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) | #D4C89C | 0.085 |
| Deuteranopia (no green cones) | #C9C1A2 | 0.083 |
| Tritanopia (no blue cones) | #87D1C5 | 0.054 |
| Achromatopsia (no color) | #C4C4C4 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D39F
#91D39F
oklch(80.9% 0.099 150.3)
- #E6A9DF
#E6A9DF
oklch(80.9% 0.1 330.4)
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 #91D39F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.039
- Pale Teal #82CBB2 ΔE 0.042
- Tiffany Blue #94D2BD ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.048
- Light Moss Green #A6C875 ΔE 0.050
- Hospital Green #9BE5AA ΔE 0.050
- Pale Olive Green #B1D27B ΔE 0.051
- Pale Olive #B9CC81 ΔE 0.052
Use #91D39F 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.