#257E45
Closest named color: Jungle Green (#048243). oklch(52.7% 0.122 151.4), rgb(37, 126, 69).
Aa
White text reads best on this color (5.06:1).
About this color
#257E45 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.122 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.017 away. White text reads best on it, at 5.06:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #257E45 |
| RGB | rgb(37, 126, 69) |
| HSL | hsl(142, 55%, 32%) |
| OKLCH | oklch(52.7% 0.122 151.4) |
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 #257E45 | 5.06:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #257E45 | 4.14:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #257E45 text on white | 5.06:1 | AA | Lc 74.6 | Content text, not long reading |
| #257E45 text on black | 4.14:1 | AA large text | Lc -27.1 | 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 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
#CBDFCF
oklch(88.4% 0.03 151.5)
-
Step 300
300
#A7CBAF
oklch(80.8% 0.055 151.7)
-
Step 400
400
#77B185
oklch(70.8% 0.088 151.2)
-
Step 500
500
#509D66
oklch(63.2% 0.113 151.3)
-
Step 600
600 (this color)
#257E45
oklch(52.7% 0.122 151.4)
-
Step 700
700
#21723E
oklch(49% 0.113 151.4)
-
Step 800
800
#1E5D34
oklch(42.7% 0.093 151.7)
-
Step 900
900
#1F4C2D
oklch(37.6% 0.073 151.5)
-
Step 950
950
#142D1B
oklch(27.1% 0.046 151.4)
#257E45 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) | #7E7341 | 0.102 |
| Deuteranopia (no green cones) | #736B49 | 0.101 |
| Tritanopia (no blue cones) | #007C70 | 0.065 |
| Achromatopsia (no color) | #6F6F6F | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257E45
#257E45
oklch(52.7% 0.122 151.4)
- #924E8A
#924E8A
oklch(52.7% 0.121 331.6)
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 #257E45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.017
- Sea Green #2E8B57 ΔE 0.043
- Tree Green #2A7E19 ΔE 0.043
- Dark Grass Green #388004 ΔE 0.052
- Dark Sage #598556 ΔE 0.060
- Green #008000 ΔE 0.060
- Forest Green #228B22 ΔE 0.060
- Military Green #667C3E ΔE 0.063
Use #257E45 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.