#237D4B
Closest named color: Jungle Green (#048243). oklch(52.4% 0.115 154.5), rgb(35, 125, 75).
Aa
White text reads best on this color (5.11:1).
About this color
#237D4B is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.115 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.024 away. White text reads best on it, at 5.11:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #237D4B |
| RGB | rgb(35, 125, 75) |
| HSL | hsl(147, 56%, 31%) |
| OKLCH | oklch(52.4% 0.115 154.5) |
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 #237D4B | 5.11:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #237D4B | 4.10:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #237D4B text on white | 5.11:1 | AA | Lc 74.9 | Content text, not long reading |
| #237D4B text on black | 4.10:1 | AA large text | Lc -26.8 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CBDFD1
oklch(88.5% 0.029 155.2)
-
Step 300
300
#A7CBB2
oklch(80.9% 0.052 154.8)
-
Step 400
400
#76B08A
oklch(70.7% 0.082 155)
-
Step 500
500
#509C6C
oklch(63.1% 0.105 154.3)
-
Step 600
600 (this color)
#237D4B
oklch(52.4% 0.115 154.5)
-
Step 700
700
#207244
oklch(49.1% 0.107 154.3)
-
Step 800
800
#1E5D38
oklch(42.8% 0.089 154.1)
-
Step 900
900
#1F4C31
oklch(37.7% 0.068 154.9)
-
Step 950
950
#132D1D
oklch(27.1% 0.044 155)
#237D4B 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) | #7D7348 | 0.102 |
| Deuteranopia (no green cones) | #716B4E | 0.098 |
| Tritanopia (no blue cones) | #007C70 | 0.056 |
| Achromatopsia (no color) | #6E6E6E | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237D4B
#237D4B
oklch(52.4% 0.115 154.5)
- #914E85
#914E85
oklch(52.3% 0.115 334.1)
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 #237D4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.024
- Sea Green #2E8B57 ΔE 0.044
- Tree Green #2A7E19 ΔE 0.052
- Dark Sage #598556 ΔE 0.059
- Dark Grass Green #388004 ΔE 0.061
- Dark Olive Green #556B2F ΔE 0.063
- Viridian #1E9167 ΔE 0.063
- Military Green #667C3E ΔE 0.064
Use #237D4B 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.