#337B30
Closest named color: Tree Green (#2A7E19). oklch(51.9% 0.131 142.7), rgb(51, 123, 48).
Aa
White text reads best on this color (5.22:1).
About this color
#337B30 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.131 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 0.025 away. White text reads best on it, at 5.22:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #337B30 |
| RGB | rgb(51, 123, 48) |
| HSL | hsl(118, 44%, 34%) |
| OKLCH | oklch(51.9% 0.131 142.7) |
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 #337B30 | 5.22:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #337B30 | 4.01:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #337B30 text on white | 5.22:1 | AA | Lc 75.7 | Fine for body text |
| #337B30 text on black | 4.01:1 | AA large text | Lc -26.1 | 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
#CCE0CA
oklch(88.6% 0.037 142.7)
-
Step 300
300
#A9CCA6
oklch(80.9% 0.065 142.9)
-
Step 400
400
#7AB176
oklch(70.7% 0.102 142.8)
-
Step 500
500
#569D52
oklch(63.1% 0.13 142.8)
-
Step 600
600
#388735
oklch(55.5% 0.141 142.8)
-
Step 700
700 (this color)
#337B30
oklch(51.9% 0.131 142.7)
-
Step 800
800
#245D22
oklch(42.6% 0.109 142.8)
-
Step 900
900
#234D21
oklch(37.8% 0.086 142.8)
-
Step 950
950
#152D14
oklch(27% 0.054 143.1)
#337B30 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) | #7E7028 | 0.095 |
| Deuteranopia (no green cones) | #746A36 | 0.094 |
| Tritanopia (no blue cones) | #28776B | 0.085 |
| Achromatopsia (no color) | #6C6C6C | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337B30
#337B30
oklch(51.9% 0.131 142.7)
- #8C4B94
#8C4B94
oklch(51.9% 0.132 323.1)
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 #337B30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.025
- Jungle Green #048243 ΔE 0.027
- Dark Grass Green #388004 ΔE 0.034
- Green #008000 ΔE 0.046
- Forest Green #228B22 ΔE 0.054
- Olive Green #677A04 ΔE 0.057
- Sea Green #2E8B57 ΔE 0.057
- Dark Olive Green #556B2F ΔE 0.057
Use #337B30 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.