#337C57
Closest named color: Jungle Green (#048243). oklch(52.9% 0.094 158.6), rgb(51, 124, 87).
Aa
White text reads best on this color (5.04:1).
About this color
#337C57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.094 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.045 away. White text reads best on it, at 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #337C57 |
| RGB | rgb(51, 124, 87) |
| HSL | hsl(150, 42%, 34%) |
| OKLCH | oklch(52.9% 0.094 158.6) |
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 #337C57 | 5.04:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #337C57 | 4.16:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #337C57 text on white | 5.04:1 | AA | Lc 74.6 | Content text, not long reading |
| #337C57 text on black | 4.16:1 | AA large text | Lc -27.1 | 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 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
#ABC9B7
oklch(80.9% 0.041 159)
-
Step 400
400
#7CAE91
oklch(70.7% 0.068 158.6)
-
Step 500
500
#599A76
oklch(63.2% 0.087 158.4)
-
Step 600
600 (this color)
#337C57
oklch(52.9% 0.094 158.6)
-
Step 700
700
#2D704E
oklch(49.2% 0.088 158.5)
-
Step 800
800
#275B40
oklch(42.7% 0.072 158.5)
-
Step 900
900
#254B36
oklch(37.8% 0.057 157.9)
-
Step 950
950
#162C20
oklch(27% 0.036 158.9)
#337C57 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) | #7B7355 | 0.088 |
| Deuteranopia (no green cones) | #716C59 | 0.085 |
| Tritanopia (no blue cones) | #187B72 | 0.043 |
| Achromatopsia (no color) | #6F6F6F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337C57
#337C57
oklch(52.9% 0.094 158.6)
- #8F557E
#8F557E
oklch(52.9% 0.095 338.7)
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 #337C57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.045
- Sea Green #2E8B57 ΔE 0.047
- Dark Sage #598556 ΔE 0.050
- Bluegreen #017A79 ΔE 0.056
- Military Green #667C3E ΔE 0.058
- Teal #008080 ΔE 0.060
- Dark Aquamarine #017371 ΔE 0.060
- Viridian #1E9167 ΔE 0.061
Use #337C57 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.