#337131
Closest named color: Dark Olive Green (#556B2F). oklch(49.2% 0.116 143), rgb(51, 113, 49).
Aa
White text reads best on this color (5.92:1).
About this color
#337131 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.116 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.040 away. White text reads best on it, at 5.92:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #337131 |
| RGB | rgb(51, 113, 49) |
| HSL | hsl(118, 40%, 32%) |
| OKLCH | oklch(49.2% 0.116 143) |
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 #337131 | 5.92:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #337131 | 3.54:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #337131 text on white | 5.92:1 | AA | Lc 79.4 | Fine for body text |
| #337131 text on black | 3.54:1 | AA large text | Lc -22.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CEDFCC
oklch(88.6% 0.031 142.3)
-
Step 300
300
#ACCAAA
oklch(80.8% 0.055 143.4)
-
Step 400
400
#7FAF7C
oklch(70.6% 0.089 143.1)
-
Step 500
500
#5D9B5A
oklch(63.1% 0.115 143.1)
-
Step 600
600
#42853F
oklch(55.5% 0.124 142.9)
-
Step 700
700 (this color)
#337131
oklch(49.2% 0.116 143)
-
Step 800
800
#2B5C29
oklch(42.7% 0.096 142.9)
-
Step 900
900
#284C26
oklch(37.9% 0.075 142.8)
-
Step 950
950
#182C17
oklch(26.9% 0.046 143.1)
#337131 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) | #73672B | 0.084 |
| Deuteranopia (no green cones) | #6B6236 | 0.084 |
| Tritanopia (no blue cones) | #2A6E63 | 0.074 |
| Achromatopsia (no color) | #646464 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337131
#337131
oklch(49.2% 0.116 143)
- #804887
#804887
oklch(49.3% 0.116 323)
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 #337131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.040
- Camo Green #526525 ΔE 0.045
- Camouflage Green #4B6113 ΔE 0.050
- Jungle Green #048243 ΔE 0.050
- Tree Green #2A7E19 ΔE 0.051
- Mud Green #606602 ΔE 0.057
- Dark Moss Green #606C38 ΔE 0.057
- Army Green #4B5D16 ΔE 0.060
Use #337131 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.