#337B3D
Closest named color: Jungle Green (#048243). oklch(52.1% 0.119 146.3), rgb(51, 123, 61).
Aa
White text reads best on this color (5.19:1).
About this color
#337B3D is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.119 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.025 away. White text reads best on it, at 5.19:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #337B3D |
| RGB | rgb(51, 123, 61) |
| HSL | hsl(128, 41%, 34%) |
| OKLCH | oklch(52.1% 0.119 146.3) |
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 #337B3D | 5.19:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #337B3D | 4.04:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #337B3D text on white | 5.19:1 | AA | Lc 75.5 | Fine for body text |
| #337B3D text on black | 4.04:1 | AA large text | Lc -26.2 | 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
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCD
oklch(88.4% 0.032 146.8)
-
Step 300
300
#A9CBAB
oklch(80.8% 0.057 146.6)
-
Step 400
400
#7AB07E
oklch(70.6% 0.092 146.3)
-
Step 500
500
#569C5D
oklch(63% 0.117 146.2)
-
Step 600
600
#388743
oklch(55.7% 0.128 146.3)
-
Step 700
700 (this color)
#337B3D
oklch(52.1% 0.119 146.3)
-
Step 800
800
#245D2C
oklch(42.7% 0.099 146.3)
-
Step 900
900
#234C28
oklch(37.6% 0.076 146.4)
-
Step 950
950
#152D18
oklch(27.1% 0.049 146.9)
#337B3D 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) | #7D7138 | 0.093 |
| Deuteranopia (no green cones) | #736A41 | 0.092 |
| Tritanopia (no blue cones) | #24786C | 0.071 |
| Achromatopsia (no color) | #6D6D6D | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337B3D
#337B3D
oklch(52.1% 0.119 146.3)
- #8C4E8D
#8C4E8D
oklch(52.1% 0.119 326.6)
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 #337B3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.025
- Tree Green #2A7E19 ΔE 0.039
- Dark Grass Green #388004 ΔE 0.048
- Sea Green #2E8B57 ΔE 0.050
- Dark Olive Green #556B2F ΔE 0.053
- Muddy Green #657432 ΔE 0.055
- Military Green #667C3E ΔE 0.057
- Green #008000 ΔE 0.059
Use #337B3D 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.