#91C580
Closest named color: Light Moss Green (#A6C875). oklch(77% 0.11 138.2), rgb(145, 197, 128).
Aa
Black text reads best on this color (10.50:1).
About this color
#91C580 is a medium-light, moderately saturated green. In OKLCH its lightness is 77%, its chroma 0.110 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 0.029 away. Black text reads best on it, at 10.50:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 10.50:1 |
| White text | 1.99:1 |
Values
| HEX | #91C580 |
| RGB | rgb(145, 197, 128) |
| HSL | hsl(105, 37%, 64%) |
| OKLCH | oklch(77% 0.11 138.2) |
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 #91C580 | 1.99:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #91C580 | 10.50:1 | AAA | Lc 65.3 | Content text, not long reading |
| #91C580 text on white | 1.99:1 | Fails | Lc 38.7 | Non-text elements, placeholder text |
| #91C580 text on black | 10.50:1 | AAA | Lc -63.7 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E0EFDB
oklch(93.5% 0.031 137.8)
-
Step 200
200
#C6E3BD
oklch(88.5% 0.06 138.3)
-
Step 300
300 (this color)
#91C580
oklch(77% 0.11 138.2)
-
Step 400
400
#63B943
oklch(70.7% 0.175 138.3)
-
Step 500
500
#40A300
oklch(63.1% 0.196 138.3)
-
Step 600
600
#358900
oklch(55.6% 0.173 138.2)
-
Step 700
700
#2B7300
oklch(49% 0.152 138.2)
-
Step 800
800
#225F00
oklch(42.8% 0.133 138.3)
-
Step 900
900
#1B4F00
oklch(37.7% 0.117 138.3)
-
Step 950
950
#0D2F00
oklch(26.9% 0.084 138.2)
#91C580 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) | #C9BA7B | 0.075 |
| Deuteranopia (no green cones) | #C1B684 | 0.073 |
| Tritanopia (no blue cones) | #8FC0B3 | 0.075 |
| Achromatopsia (no color) | #B7B7B7 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C580
#91C580
oklch(77% 0.11 138.2)
- #D29EE1
#D29EE1
oklch(77% 0.109 318.5)
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 #91C580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.029
- Tan Green #A9BE70 ΔE 0.032
- Light Olive #ACBF69 ΔE 0.037
- Dark Sea Green #8FBC8F ΔE 0.037
- Light Olive Green #A4BE5C ΔE 0.040
- Soft Green #6FC276 ΔE 0.041
- Lichen #8FB67B ΔE 0.041
- Sage Green #88B378 ΔE 0.051
Use #91C580 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.