#5B8331
Closest named color: Swamp (#698339). oklch(56.2% 0.12 131.3), rgb(91, 131, 49).
Aa
Black text reads best on this color (4.73:1).
About this color
#5B8331 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.120 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.021 away. Black text reads best on it, at 4.73:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #5B8331 |
| RGB | rgb(91, 131, 49) |
| HSL | hsl(89, 46%, 35%) |
| OKLCH | oklch(56.2% 0.12 131.3) |
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 #5B8331 | 4.43:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #5B8331 | 4.73:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #5B8331 text on white | 4.43:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #5B8331 text on black | 4.73:1 | AA | Lc -31.0 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D2DEC9
oklch(88.6% 0.031 131.6)
-
Step 300
300
#B4C8A4
oklch(80.8% 0.054 131.3)
-
Step 400
400
#8DAC73
oklch(70.7% 0.086 131.5)
-
Step 500
500
#71974D
oklch(63.1% 0.111 131.3)
-
Step 600
600 (this color)
#5B8331
oklch(56.2% 0.12 131.3)
-
Step 700
700
#496D21
oklch(49.1% 0.112 131.2)
-
Step 800
800
#3C591E
oklch(42.7% 0.093 131.4)
-
Step 900
900
#34491E
oklch(37.7% 0.072 130.7)
-
Step 950
950
#1E2B12
oklch(27% 0.047 131.4)
#5B8331 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) | #897A28 | 0.067 |
| Deuteranopia (no green cones) | #837737 | 0.066 |
| Tritanopia (no blue cones) | #5D7E72 | 0.092 |
| Achromatopsia (no color) | #787878 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B8331
#5B8331
oklch(56.2% 0.12 131.3)
- #8C5FA8
#8C5FA8
oklch(56.3% 0.119 311.4)
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 #5B8331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.021
- Moss Green #658B38 ΔE 0.028
- Mossy Green #638B27 ΔE 0.029
- Fern Green #548D44 ΔE 0.029
- Olive Green #677A04 ΔE 0.031
- Murky Green #6C7A0E ΔE 0.032
- Military Green #667C3E ΔE 0.032
- Khaki Green #728639 ΔE 0.034
Use #5B8331 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.