#91C571
Closest named color: Light Moss Green (#A6C875). oklch(76.7% 0.126 134.4), rgb(145, 197, 113).
Aa
Black text reads best on this color (10.42:1).
About this color
#91C571 is a medium-light, moderately saturated green. In OKLCH its lightness is 77%, its chroma 0.126 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.028 away. Black text reads best on it, at 10.42:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 10.42:1 |
| White text | 2.01:1 |
Values
| HEX | #91C571 |
| RGB | rgb(145, 197, 113) |
| HSL | hsl(97, 42%, 61%) |
| OKLCH | oklch(76.7% 0.126 134.4) |
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 #91C571 | 2.01:1 | Fails | Lc -43.5 | Non-text elements, placeholder text |
| Black text on #91C571 | 10.42:1 | AAA | Lc 64.9 | Content text, not long reading |
| #91C571 text on white | 2.01:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #91C571 text on black | 10.42:1 | AAA | Lc -63.4 | 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
#F1F8ED
oklch(97.1% 0.016 133.8)
-
Step 100
100
#E0F0D7
oklch(93.7% 0.037 134.1)
-
Step 200
200
#C6E4B6
oklch(88.5% 0.069 134.8)
-
Step 300
300 (this color)
#91C571
oklch(76.7% 0.126 134.4)
-
Step 400
400
#66BA0E
oklch(70.8% 0.201 134.4)
-
Step 500
500
#55A000
oklch(63.2% 0.183 134.5)
-
Step 600
600
#478600
oklch(55.6% 0.16 134.3)
-
Step 700
700
#3B7100
oklch(49.2% 0.142 134.3)
-
Step 800
800
#2F5D00
oklch(42.8% 0.124 134.5)
-
Step 900
900
#264D00
oklch(37.6% 0.109 134.4)
-
Step 950
950
#142E00
oklch(27% 0.078 134.6)
#91C571 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) | #CBB96B | 0.079 |
| Deuteranopia (no green cones) | #C3B576 | 0.078 |
| Tritanopia (no blue cones) | #91BFB1 | 0.092 |
| Achromatopsia (no color) | #B7B7B7 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C571
#91C571
oklch(76.7% 0.126 134.4)
- #D19AEB
#D19AEB
oklch(76.7% 0.127 314.5)
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 #91C571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.028
- Light Olive Green #A4BE5C ΔE 0.029
- Tan Green #A9BE70 ΔE 0.033
- Light Olive #ACBF69 ΔE 0.034
- Soft Green #6FC276 ΔE 0.037
- Lichen #8FB67B ΔE 0.048
- Dark Sea Green #8FBC8F ΔE 0.052
- Pale Olive Green #B1D27B ΔE 0.056
Use #91C571 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.