#91D378
Closest named color: Light Moss Green (#A6C875). oklch(80.1% 0.139 137.6), rgb(145, 211, 120).
Aa
Black text reads best on this color (11.79:1).
About this color
#91D378 is a light, moderately saturated green. In OKLCH its lightness is 80%, its chroma 0.139 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.036 away. Black text reads best on it, at 11.79:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.79:1 |
| White text | 1.78:1 |
Values
| HEX | #91D378 |
| RGB | rgb(145, 211, 120) |
| HSL | hsl(104, 51%, 65%) |
| OKLCH | oklch(80.1% 0.139 137.6) |
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 #91D378 | 1.78:1 | Fails | Lc -36.7 | Non-text elements, placeholder text |
| Black text on #91D378 | 11.79:1 | AAA | Lc 71.1 | Content text, not long reading |
| #91D378 text on white | 1.78:1 | Fails | Lc 32.7 | Non-text elements, placeholder text |
| #91D378 text on black | 11.79:1 | AAA | Lc -69.9 | 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
#F0F9ED
oklch(97.2% 0.018 137.8)
-
Step 100
100
#DDF1D7
oklch(93.6% 0.041 138.5)
-
Step 200
200
#C1E6B4
oklch(88.5% 0.078 137.6)
-
Step 300
300 (this color)
#91D378
oklch(80.1% 0.139 137.6)
-
Step 400
400
#51BD00
oklch(70.6% 0.217 137.6)
-
Step 500
500
#45A200
oklch(63% 0.193 137.5)
-
Step 600
600
#398800
oklch(55.5% 0.17 137.5)
-
Step 700
700
#2E7300
oklch(49.1% 0.151 137.7)
-
Step 800
800
#255E00
oklch(42.7% 0.13 137.5)
-
Step 900
900
#1D4F00
oklch(37.8% 0.116 137.7)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#91D378 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) | #D9C671 | 0.093 |
| Deuteranopia (no green cones) | #CFC07D | 0.092 |
| Tritanopia (no blue cones) | #8ECDBD | 0.097 |
| Achromatopsia (no color) | #C2C2C2 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D378
#91D378
oklch(80.1% 0.139 137.6)
- #E3A1F9
#E3A1F9
oklch(80.2% 0.139 317.4)
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 #91D378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.036
- Pale Olive Green #B1D27B ΔE 0.038
- Pale Olive #B9CC81 ΔE 0.054
- Greenish Tan #BCCB7A ΔE 0.055
- Light Olive Green #A4BE5C ΔE 0.056
- Yellow Green #9ACD32 ΔE 0.056
- Light Olive #ACBF69 ΔE 0.056
- Tan Green #A9BE70 ΔE 0.059
Use #91D378 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.