#237B4C
Closest named color: Jungle Green (#048243). oklch(51.9% 0.111 155.5), rgb(35, 123, 76).
Aa
White text reads best on this color (5.23:1).
About this color
#237B4C is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.111 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.030 away. White text reads best on it, at 5.23:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.00:1 |
| White text | 5.23:1 |
Values
| HEX | #237B4C |
| RGB | rgb(35, 123, 76) |
| HSL | hsl(148, 56%, 31%) |
| OKLCH | oklch(51.9% 0.111 155.5) |
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 #237B4C | 5.23:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #237B4C | 4.00:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #237B4C text on white | 5.23:1 | AA | Lc 75.7 | Fine for body text |
| #237B4C text on black | 4.00:1 | AA large text | Lc -26.1 | 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 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CADFD1
oklch(88.4% 0.029 156.6)
-
Step 300
300
#A6CBB2
oklch(80.8% 0.053 155.5)
-
Step 400
400
#73B18A
oklch(70.7% 0.086 155.9)
-
Step 500
500
#4B9D6C
oklch(63.1% 0.11 155.2)
-
Step 600
600
#278754
oklch(55.5% 0.119 155.6)
-
Step 700
700 (this color)
#237B4C
oklch(51.9% 0.111 155.5)
-
Step 800
800
#185D38
oklch(42.6% 0.092 155.3)
-
Step 900
900
#1C4D31
oklch(37.8% 0.072 155.5)
-
Step 950
950
#122D1D
oklch(27% 0.045 155.8)
#237B4C 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) | #7A7149 | 0.099 |
| Deuteranopia (no green cones) | #6F694F | 0.097 |
| Tritanopia (no blue cones) | #007A6F | 0.053 |
| Achromatopsia (no color) | #6C6C6C | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237B4C
#237B4C
oklch(51.9% 0.111 155.5)
- #8F4E81
#8F4E81
oklch(51.9% 0.11 335.6)
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 #237B4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.050
- Tree Green #2A7E19 ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.060
- Dark Sage #598556 ΔE 0.062
- Muddy Green #657432 ΔE 0.065
- Military Green #667C3E ΔE 0.066
- Dark Grass Green #388004 ΔE 0.066
Use #237B4C 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.