#257142
Closest named color: Dark Olive Green (#556B2F). oklch(48.9% 0.106 152.7), rgb(37, 113, 66).
Aa
White text reads best on this color (5.96:1).
About this color
#257142 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.106 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.048 away. White text reads best on it, at 5.96:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.51:1 |
| White text | 5.96:1 |
Values
| HEX | #257142 |
| RGB | rgb(37, 113, 66) |
| HSL | hsl(143, 51%, 29%) |
| OKLCH | oklch(48.9% 0.106 152.7) |
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 #257142 | 5.96:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #257142 | 3.51:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #257142 text on white | 5.96:1 | AA | Lc 79.5 | Fine for body text |
| #257142 text on black | 3.51:1 | AA large text | Lc -22.3 | 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#A9CBB1
oklch(81% 0.051 152.2)
-
Step 400
400
#79B088
oklch(70.8% 0.082 152.4)
-
Step 500
500
#539C6A
oklch(63.2% 0.106 152.5)
-
Step 600
600
#348652
oklch(55.6% 0.114 152.8)
-
Step 700
700 (this color)
#257142
oklch(48.9% 0.106 152.7)
-
Step 800
800
#215C37
oklch(42.6% 0.087 153)
-
Step 900
900
#214C30
oklch(37.7% 0.068 153.2)
-
Step 950
950
#152D1C
oklch(27.2% 0.044 151.9)
#257142 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) | #71683F | 0.091 |
| Deuteranopia (no green cones) | #676145 | 0.089 |
| Tritanopia (no blue cones) | #036F65 | 0.055 |
| Achromatopsia (no color) | #636363 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257142
#257142
oklch(48.9% 0.106 152.7)
- #83487A
#83487A
oklch(49% 0.105 332.9)
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 #257142, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.048
- Camo Green #526525 ΔE 0.053
- Jungle Green #048243 ΔE 0.053
- Camouflage Green #4B6113 ΔE 0.060
- Pine #2B5D34 ΔE 0.061
- Spruce #0A5F38 ΔE 0.061
- Dark Moss Green #606C38 ΔE 0.062
- Dark Green Blue #1F6357 ΔE 0.064
Use #257142 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.