#237A4B
Closest named color: Jungle Green (#048243). oklch(51.6% 0.111 155.2), rgb(35, 122, 75).
Aa
White text reads best on this color (5.30:1).
About this color
#237A4B 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 0.031 away. White text reads best on it, at 5.30:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #237A4B |
| RGB | rgb(35, 122, 75) |
| HSL | hsl(148, 55%, 31%) |
| OKLCH | oklch(51.6% 0.111 155.2) |
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 #237A4B | 5.30:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #237A4B | 3.95:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #237A4B text on white | 5.30:1 | AA | Lc 76.1 | Fine for body text |
| #237A4B text on black | 3.95:1 | AA large text | Lc -25.7 | 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
#74B189
oklch(70.8% 0.086 154.8)
-
Step 500
500
#4B9D6C
oklch(63.1% 0.11 155.2)
-
Step 600
600
#288754
oklch(55.5% 0.118 155.4)
-
Step 700
700 (this color)
#237A4B
oklch(51.6% 0.111 155.2)
-
Step 800
800
#195D38
oklch(42.6% 0.091 155.1)
-
Step 900
900
#1C4D31
oklch(37.8% 0.072 155.5)
-
Step 950
950
#122D1D
oklch(27% 0.045 155.8)
#237A4B 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) | #7A7048 | 0.099 |
| Deuteranopia (no green cones) | #6F684E | 0.097 |
| Tritanopia (no blue cones) | #00796E | 0.053 |
| Achromatopsia (no color) | #6B6B6B | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237A4B
#237A4B
oklch(51.6% 0.111 155.2)
- #8E4D81
#8E4D81
oklch(51.6% 0.111 335)
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 #237A4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.031
- Sea Green #2E8B57 ΔE 0.053
- Tree Green #2A7E19 ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.058
- Dark Sage #598556 ΔE 0.065
- Muddy Green #657432 ΔE 0.065
- Dark Moss Green #606C38 ΔE 0.066
- Dark Grass Green #388004 ΔE 0.067
Use #237A4B 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.