#337D57
Closest named color: Jungle Green (#048243). oklch(53.2% 0.096 158.2), rgb(51, 125, 87).
Aa
White text reads best on this color (4.98:1).
About this color
#337D57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.096 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.043 away. White text reads best on it, at 4.98:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #337D57 |
| RGB | rgb(51, 125, 87) |
| HSL | hsl(149, 42%, 35%) |
| OKLCH | oklch(53.2% 0.096 158.2) |
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 #337D57 | 4.98:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #337D57 | 4.21:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #337D57 text on white | 4.98:1 | AA | Lc 74.3 | Content text, not long reading |
| #337D57 text on black | 4.21:1 | AA large text | Lc -27.4 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE7
oklch(93.5% 0.012 162)
-
Step 200
200
#CDDED3
oklch(88.5% 0.024 157.5)
-
Step 300
300
#AACAB6
oklch(81% 0.044 157.8)
-
Step 400
400
#7CAE90
oklch(70.7% 0.069 157.7)
-
Step 500
500
#589A75
oklch(63.1% 0.089 158)
-
Step 600
600 (this color)
#337D57
oklch(53.2% 0.096 158.2)
-
Step 700
700
#2C704D
oklch(49.2% 0.089 158)
-
Step 800
800
#265B3F
oklch(42.7% 0.074 157.9)
-
Step 900
900
#244B36
oklch(37.7% 0.058 158.4)
-
Step 950
950
#162C20
oklch(27% 0.036 158.9)
#337D57 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) | #7C7455 | 0.089 |
| Deuteranopia (no green cones) | #726D59 | 0.086 |
| Tritanopia (no blue cones) | #177C73 | 0.044 |
| Achromatopsia (no color) | #707070 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337D57
#337D57
oklch(53.2% 0.096 158.2)
- #90567F
#90567F
oklch(53.3% 0.095 338.6)
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 #337D57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.043
- Sea Green #2E8B57 ΔE 0.043
- Dark Sage #598556 ΔE 0.047
- Military Green #667C3E ΔE 0.057
- Bluegreen #017A79 ΔE 0.057
- Viridian #1E9167 ΔE 0.058
- Teal #008080 ΔE 0.060
- Muddy Green #657432 ΔE 0.061
Use #337D57 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.