#91B571
Closest named color: Lichen (#8FB67B). oklch(73% 0.101 131.2), rgb(145, 181, 113).
Aa
Black text reads best on this color (9.05:1).
About this color
#91B571 is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.101 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lichen (#8FB67B), ΔE 0.012 away. Black text reads best on it, at 9.05:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Lichen (#8FB67B) |
| Black text | 9.05:1 |
| White text | 2.31:1 |
Values
| HEX | #91B571 |
| RGB | rgb(145, 181, 113) |
| HSL | hsl(92, 31%, 58%) |
| OKLCH | oklch(73% 0.101 131.2) |
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 #91B571 | 2.31:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #91B571 | 9.05:1 | AAA | Lc 58.3 | Large or bold text, headings |
| #91B571 text on white | 2.31:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #91B571 text on black | 9.05:1 | AAA | Lc -56.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE0
oklch(93.6% 0.019 133.1)
-
Step 200
200
#D1DEC7
oklch(88.4% 0.034 131.4)
-
Step 300
300
#B2CA9F
oklch(81% 0.064 131.5)
-
Step 400
400 (this color)
#91B571
oklch(73% 0.101 131.2)
-
Step 500
500
#6D9940
oklch(63.1% 0.129 131.2)
-
Step 600
600
#55831A
oklch(55.6% 0.14 131.1)
-
Step 700
700
#456F09
oklch(49.2% 0.131 131.2)
-
Step 800
800
#395A0E
oklch(42.6% 0.108 131)
-
Step 900
900
#314A15
oklch(37.6% 0.084 131)
-
Step 950
950
#1D2C0E
oklch(27.1% 0.054 131.3)
#91B571 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) | #BBAC6C | 0.059 |
| Deuteranopia (no green cones) | #B5A975 | 0.059 |
| Tritanopia (no blue cones) | #93B0A4 | 0.075 |
| Achromatopsia (no color) | #AAAAAA | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B571
#91B571
oklch(73% 0.101 131.2)
- #BC95D7
#BC95D7
oklch(72.9% 0.102 310.9)
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 #91B571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lichen #8FB67B ΔE 0.012
- Sage Green #88B378 ΔE 0.015
- Sage #87AE73 ΔE 0.025
- Faded Green #7BB274 ΔE 0.028
- Dark Sea Green #8FBC8F ΔE 0.037
- Tan Green #A9BE70 ΔE 0.042
- Light Olive Green #A4BE5C ΔE 0.045
- Soft Green #6FC276 ΔE 0.047
Use #91B571 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.