#91D181
Closest named color: Light Moss Green (#A6C875). oklch(79.8% 0.127 139.5), rgb(145, 209, 129).
Aa
Black text reads best on this color (11.64:1).
About this color
#91D181 is a light, moderately saturated green. In OKLCH its lightness is 80%, its chroma 0.127 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.030 away. Black text reads best on it, at 11.64:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.64:1 |
| White text | 1.80:1 |
Values
| HEX | #91D181 |
| RGB | rgb(145, 209, 129) |
| HSL | hsl(108, 47%, 66%) |
| OKLCH | oklch(79.8% 0.127 139.5) |
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 #91D181 | 1.80:1 | Fails | Lc -37.5 | Non-text elements, placeholder text |
| Black text on #91D181 | 11.64:1 | AAA | Lc 70.5 | Content text, not long reading |
| #91D181 text on white | 1.80:1 | Fails | Lc 33.4 | Non-text elements, placeholder text |
| #91D181 text on black | 11.64:1 | AAA | Lc -69.2 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DEF0D9
oklch(93.6% 0.036 138.9)
-
Step 200
200
#C2E5B9
oklch(88.5% 0.07 139.3)
-
Step 300
300 (this color)
#91D181
oklch(79.8% 0.127 139.5)
-
Step 400
400
#50BD2D
oklch(70.8% 0.203 139.5)
-
Step 500
500
#36A400
oklch(63.1% 0.201 139.5)
-
Step 600
600
#2C8A00
oklch(55.6% 0.177 139.5)
-
Step 700
700
#247400
oklch(49.1% 0.156 139.5)
-
Step 800
800
#1C5F00
oklch(42.6% 0.136 139.5)
-
Step 900
900
#164F00
oklch(37.6% 0.119 139.4)
-
Step 950
950
#0A3000
oklch(27.2% 0.086 139.4)
#91D181 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) | #D6C57B | 0.089 |
| Deuteranopia (no green cones) | #CCBF86 | 0.088 |
| Tritanopia (no blue cones) | #8DCCBD | 0.085 |
| Achromatopsia (no color) | #C1C1C1 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D181
#91D181
oklch(79.8% 0.127 139.5)
- #E1A2F0
#E1A2F0
oklch(79.8% 0.127 319.8)
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 #91D181, closest first.
No curated palette has a color within ΔE 0.04 of #91D181.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.030
- Pale Olive Green #B1D27B ΔE 0.037
- Pale Olive #B9CC81 ΔE 0.049
- Greenish Tan #BCCB7A ΔE 0.051
- Light Olive #ACBF69 ΔE 0.052
- Tan Green #A9BE70 ΔE 0.052
- Light Olive Green #A4BE5C ΔE 0.054
- Soft Green #6FC276 ΔE 0.058
Use #91D181 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.