#337F37
Closest named color: Jungle Green (#048243). oklch(53.1% 0.131 144.4), rgb(51, 127, 55).
Aa
White text reads best on this color (4.96:1).
About this color
#337F37 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.131 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.020 away. White text reads best on it, at 4.96:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.23:1 |
| White text | 4.96:1 |
Values
| HEX | #337F37 |
| RGB | rgb(51, 127, 55) |
| HSL | hsl(123, 43%, 35%) |
| OKLCH | oklch(53.1% 0.131 144.4) |
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 #337F37 | 4.96:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #337F37 | 4.23:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #337F37 text on white | 4.96:1 | AA | Lc 74.1 | Content text, not long reading |
| #337F37 text on black | 4.23:1 | AA large text | Lc -27.7 | 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 600.
-
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
#CDDFCC
oklch(88.5% 0.032 143.8)
-
Step 300
300
#AACBA9
oklch(80.9% 0.059 144.2)
-
Step 400
400
#7CB07B
oklch(70.7% 0.094 144.1)
-
Step 500
500
#589C59
oklch(63.1% 0.12 144.3)
-
Step 600
600 (this color)
#337F37
oklch(53.1% 0.131 144.4)
-
Step 700
700
#2C7230
oklch(49.1% 0.122 144.4)
-
Step 800
800
#265D29
oklch(42.8% 0.101 144.5)
-
Step 900
900
#244C25
oklch(37.6% 0.079 144.3)
-
Step 950
950
#162D16
oklch(27.1% 0.051 144)
#337F37 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) | #817430 | 0.097 |
| Deuteranopia (no green cones) | #776D3C | 0.097 |
| Tritanopia (no blue cones) | #257C6F | 0.081 |
| Achromatopsia (no color) | #707070 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337F37
#337F37
oklch(53.1% 0.131 144.4)
- #914E96
#914E96
oklch(53.1% 0.132 324.6)
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 #337F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.020
- Tree Green #2A7E19 ΔE 0.028
- Dark Grass Green #388004 ΔE 0.035
- Sea Green #2E8B57 ΔE 0.045
- Forest Green #228B22 ΔE 0.047
- Green #008000 ΔE 0.048
- Olive Green #677A04 ΔE 0.056
- Fern Green #548D44 ΔE 0.057
Use #337F37 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.