#257E33
Closest named color: Jungle Green (#048243). oklch(52.4% 0.139 145.8), rgb(37, 126, 51).
Aa
White text reads best on this color (5.10:1).
About this color
#257E33 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.139 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.019 away. White text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #257E33 |
| RGB | rgb(37, 126, 51) |
| HSL | hsl(129, 55%, 32%) |
| OKLCH | oklch(52.4% 0.139 145.8) |
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 #257E33 | 5.10:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #257E33 | 4.11:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #257E33 text on white | 5.10:1 | AA | Lc 74.8 | Content text, not long reading |
| #257E33 text on black | 4.11:1 | AA large text | Lc -26.9 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CBE0CC
oklch(88.6% 0.035 146.6)
-
Step 300
300
#A8CCA9
oklch(80.9% 0.062 145.7)
-
Step 400
400
#77B17A
oklch(70.6% 0.1 145.6)
-
Step 500
500
#519E58
oklch(63.2% 0.128 145.8)
-
Step 600
600 (this color)
#257E33
oklch(52.4% 0.139 145.8)
-
Step 700
700
#22732F
oklch(49.1% 0.129 146)
-
Step 800
800
#1F5E27
oklch(42.8% 0.108 145.6)
-
Step 900
900
#204D25
oklch(37.7% 0.083 145.9)
-
Step 950
950
#142D16
oklch(27% 0.052 145.6)
#257E33 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) | #80722C | 0.106 |
| Deuteranopia (no green cones) | #756B39 | 0.105 |
| Tritanopia (no blue cones) | #047B6D | 0.083 |
| Achromatopsia (no color) | #6E6E6E | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257E33
#257E33
oklch(52.4% 0.139 145.8)
- #914994
#914994
oklch(52.3% 0.138 325.8)
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 #257E33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.019
- Tree Green #2A7E19 ΔE 0.021
- Dark Grass Green #388004 ΔE 0.032
- Green #008000 ΔE 0.039
- Forest Green #228B22 ΔE 0.046
- Sea Green #2E8B57 ΔE 0.053
- Emerald Green #028F1E ΔE 0.059
- Kelley Green #009337 ΔE 0.063
Use #257E33 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.