#257737
Closest named color: Jungle Green (#048243). oklch(50.4% 0.125 147.5), rgb(37, 119, 55).
Aa
White text reads best on this color (5.56:1).
About this color
#257737 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.125 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.032 away. White text reads best on it, at 5.56:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #257737 |
| RGB | rgb(37, 119, 55) |
| HSL | hsl(133, 53%, 31%) |
| OKLCH | oklch(50.4% 0.125 147.5) |
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 #257737 | 5.56:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #257737 | 3.77:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #257737 text on white | 5.56:1 | AA | Lc 77.5 | Fine for body text |
| #257737 text on black | 3.77:1 | AA large text | Lc -24.3 | 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 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
#CBE0CD
oklch(88.6% 0.034 148)
-
Step 300
300
#A7CCAB
oklch(80.9% 0.061 148)
-
Step 400
400
#76B17D
oklch(70.6% 0.097 147.4)
-
Step 500
500
#509E5C
oklch(63.2% 0.125 147.3)
-
Step 600
600
#2F8842
oklch(55.7% 0.135 147.5)
-
Step 700
700 (this color)
#257737
oklch(50.4% 0.125 147.5)
-
Step 800
800
#1D5E2B
oklch(42.8% 0.105 147.5)
-
Step 900
900
#1F4D27
oklch(37.7% 0.081 147.4)
-
Step 950
950
#132D17
oklch(26.9% 0.052 147.4)
#257737 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) | #786C31 | 0.099 |
| Deuteranopia (no green cones) | #6E653C | 0.098 |
| Tritanopia (no blue cones) | #077468 | 0.073 |
| Achromatopsia (no color) | #686868 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257737
#257737
oklch(50.4% 0.125 147.5)
- #894789
#894789
oklch(50.4% 0.126 327.2)
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 #257737, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.032
- Tree Green #2A7E19 ΔE 0.039
- Dark Grass Green #388004 ΔE 0.051
- Dark Olive Green #556B2F ΔE 0.054
- Green #008000 ΔE 0.055
- Camo Green #526525 ΔE 0.062
- Muddy Green #657432 ΔE 0.066
- Sea Green #2E8B57 ΔE 0.066
Use #257737 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.