#91D178
Closest named color: Light Moss Green (#A6C875). oklch(79.6% 0.136 137.4), rgb(145, 209, 120).
Aa
Black text reads best on this color (11.59:1).
About this color
#91D178 is a light, moderately saturated green. In OKLCH its lightness is 80%, its chroma 0.136 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.032 away. Black text reads best on it, at 11.59:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.59:1 |
| White text | 1.81:1 |
Values
| HEX | #91D178 |
| RGB | rgb(145, 209, 120) |
| HSL | hsl(103, 49%, 65%) |
| OKLCH | oklch(79.6% 0.136 137.4) |
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 #91D178 | 1.81:1 | Fails | Lc -37.7 | Non-text elements, placeholder text |
| Black text on #91D178 | 11.59:1 | AAA | Lc 70.3 | Content text, not long reading |
| #91D178 text on white | 1.81:1 | Fails | Lc 33.6 | Non-text elements, placeholder text |
| #91D178 text on black | 11.59:1 | AAA | Lc -69.0 | 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
#F0F9ED
oklch(97.2% 0.018 137.8)
-
Step 100
100
#DEF1D7
oklch(93.7% 0.04 137.2)
-
Step 200
200
#C2E6B5
oklch(88.6% 0.076 137.5)
-
Step 300
300 (this color)
#91D178
oklch(79.6% 0.136 137.4)
-
Step 400
400
#53BD00
oklch(70.7% 0.216 137.3)
-
Step 500
500
#46A200
oklch(63.1% 0.192 137.3)
-
Step 600
600
#3A8800
oklch(55.5% 0.169 137.3)
-
Step 700
700
#2F7300
oklch(49.2% 0.15 137.5)
-
Step 800
800
#255E00
oklch(42.7% 0.13 137.5)
-
Step 900
900
#1E4E00
oklch(37.5% 0.114 137.3)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#91D178 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) | #D6C471 | 0.090 |
| Deuteranopia (no green cones) | #CDBE7D | 0.091 |
| Tritanopia (no blue cones) | #8FCBBB | 0.095 |
| Achromatopsia (no color) | #C0C0C0 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D178
#91D178
oklch(79.6% 0.136 137.4)
- #E0A0F6
#E0A0F6
oklch(79.6% 0.136 317.2)
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 #91D178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.032
- Pale Olive Green #B1D27B ΔE 0.039
- Light Olive Green #A4BE5C ΔE 0.051
- Light Olive #ACBF69 ΔE 0.052
- Pale Olive #B9CC81 ΔE 0.053
- Greenish Tan #BCCB7A ΔE 0.054
- Tan Green #A9BE70 ΔE 0.054
- Yellow Green #9ACD32 ΔE 0.057
Use #91D178 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.