#337F5D
Closest named color: Sea Green (#2E8B57). oklch(53.9% 0.093 161.4), rgb(51, 127, 93).
Aa
White text reads best on this color (4.84:1).
About this color
#337F5D is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.093 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.041 away. White text reads best on it, at 4.84:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #337F5D |
| RGB | rgb(51, 127, 93) |
| HSL | hsl(153, 43%, 35%) |
| OKLCH | oklch(53.9% 0.093 161.4) |
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 #337F5D | 4.84:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #337F5D | 4.33:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #337F5D text on white | 4.84:1 | AA | Lc 73.4 | Content text, not long reading |
| #337F5D text on black | 4.33:1 | AA large text | Lc -28.3 | 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
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#AAC9B8
oklch(80.8% 0.041 161.4)
-
Step 400
400
#7BAE93
oklch(70.7% 0.067 160.9)
-
Step 500
500
#569A79
oklch(63.2% 0.086 161.4)
-
Step 600
600 (this color)
#337F5D
oklch(53.9% 0.093 161.4)
-
Step 700
700
#2A7051
oklch(49.2% 0.087 161.4)
-
Step 800
800
#255B42
oklch(42.7% 0.072 161)
-
Step 900
900
#234B38
oklch(37.7% 0.056 161.3)
-
Step 950
950
#162C21
oklch(27.1% 0.035 161)
#337F5D 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) | #7D765B | 0.089 |
| Deuteranopia (no green cones) | #736E5F | 0.088 |
| Tritanopia (no blue cones) | #117F76 | 0.039 |
| Achromatopsia (no color) | #727272 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337F5D
#337F5D
oklch(53.9% 0.093 161.4)
- #93587E
#93587E
oklch(54% 0.093 341.6)
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 #337F5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.041
- Dark Sage #598556 ΔE 0.044
- Jungle Green #048243 ΔE 0.048
- Viridian #1E9167 ΔE 0.052
- Bluegreen #017A79 ΔE 0.053
- Teal #008080 ΔE 0.053
- Military Green #667C3E ΔE 0.059
- Dark Aquamarine #017371 ΔE 0.061
Use #337F5D 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.