#337831
Closest named color: Tree Green (#2A7E19). oklch(51.1% 0.126 143), rgb(51, 120, 49).
Aa
White text reads best on this color (5.42:1).
About this color
#337831 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.126 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.032 away. White text reads best on it, at 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #337831 |
| RGB | rgb(51, 120, 49) |
| HSL | hsl(118, 42%, 33%) |
| OKLCH | oklch(51.1% 0.126 143) |
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 #337831 | 5.42:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #337831 | 3.87:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #337831 text on white | 5.42:1 | AA | Lc 76.8 | Fine for body text |
| #337831 text on black | 3.87:1 | AA large text | Lc -25.0 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CDDFCB
oklch(88.5% 0.033 142.5)
-
Step 300
300
#AACBA7
oklch(80.8% 0.061 142.8)
-
Step 400
400
#7CB078
oklch(70.6% 0.097 142.8)
-
Step 500
500
#589C55
oklch(63% 0.124 143.1)
-
Step 600
600
#3B8739
oklch(55.7% 0.136 143)
-
Step 700
700 (this color)
#337831
oklch(51.1% 0.126 143)
-
Step 800
800
#265D25
oklch(42.7% 0.105 143.2)
-
Step 900
900
#254C23
oklch(37.6% 0.08 142.8)
-
Step 950
950
#162D15
oklch(27.1% 0.052 143.1)
#337831 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) | #7B6E2A | 0.092 |
| Deuteranopia (no green cones) | #726836 | 0.091 |
| Tritanopia (no blue cones) | #287568 | 0.079 |
| Achromatopsia (no color) | #6A6A6A | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337831
#337831
oklch(51.1% 0.126 143)
- #884A90
#884A90
oklch(51.1% 0.127 322.9)
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 #337831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.032
- Jungle Green #048243 ΔE 0.032
- Dark Grass Green #388004 ΔE 0.042
- Dark Olive Green #556B2F ΔE 0.050
- Green #008000 ΔE 0.051
- Muddy Green #657432 ΔE 0.058
- Camo Green #526525 ΔE 0.061
- Olive Green #677A04 ΔE 0.061
Use #337831 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.