#237539
Closest named color: Jungle Green (#048243). oklch(49.8% 0.121 148.7), rgb(35, 117, 57).
Aa
White text reads best on this color (5.71:1).
About this color
#237539 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.121 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.038 away. White text reads best on it, at 5.71:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #237539 |
| RGB | rgb(35, 117, 57) |
| HSL | hsl(136, 54%, 30%) |
| OKLCH | oklch(49.8% 0.121 148.7) |
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 #237539 | 5.71:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #237539 | 3.67:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #237539 text on white | 5.71:1 | AA | Lc 78.2 | Fine for body text |
| #237539 text on black | 3.67:1 | AA large text | Lc -23.6 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CBE0CE
oklch(88.6% 0.033 149.5)
-
Step 300
300
#A7CCAC
oklch(81% 0.06 148.8)
-
Step 400
400
#76B180
oklch(70.7% 0.094 148.9)
-
Step 500
500
#509D5F
oklch(63% 0.12 148.4)
-
Step 600
600
#2F8845
oklch(55.7% 0.132 148.5)
-
Step 700
700 (this color)
#237539
oklch(49.8% 0.121 148.7)
-
Step 800
800
#1E5E2E
oklch(42.9% 0.101 148.5)
-
Step 900
900
#1F4D29
oklch(37.8% 0.079 148.6)
-
Step 950
950
#132D18
oklch(27% 0.05 148.5)
#237539 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) | #766B34 | 0.098 |
| Deuteranopia (no green cones) | #6C643D | 0.096 |
| Tritanopia (no blue cones) | #007367 | 0.069 |
| Achromatopsia (no color) | #666666 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237539
#237539
oklch(49.8% 0.121 148.7)
- #874685
#874685
oklch(49.8% 0.122 328.4)
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 #237539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.038
- Tree Green #2A7E19 ΔE 0.046
- Dark Olive Green #556B2F ΔE 0.052
- Dark Grass Green #388004 ΔE 0.058
- Camo Green #526525 ΔE 0.058
- Green #008000 ΔE 0.061
- Camouflage Green #4B6113 ΔE 0.064
- Dark Moss Green #606C38 ΔE 0.067
Use #237539 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.