#257243
Closest named color: Dark Olive Green (#556B2F). oklch(49.2% 0.106 153), rgb(37, 114, 67).
Aa
White text reads best on this color (5.88:1).
About this color
#257243 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 5.88:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #257243 |
| RGB | rgb(37, 114, 67) |
| HSL | hsl(143, 51%, 30%) |
| OKLCH | oklch(49.2% 0.106 153) |
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 #257243 | 5.88:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #257243 | 3.56:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #257243 text on white | 5.88:1 | AA | Lc 79.1 | Fine for body text |
| #257243 text on black | 3.56:1 | AA large text | Lc -22.7 | 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#A8CBB1
oklch(80.9% 0.052 153)
-
Step 400
400
#78B088
oklch(70.7% 0.083 152.9)
-
Step 500
500
#539C6B
oklch(63.2% 0.105 153)
-
Step 600
600
#338652
oklch(55.5% 0.114 153)
-
Step 700
700 (this color)
#257243
oklch(49.2% 0.106 153)
-
Step 800
800
#215D37
oklch(42.8% 0.088 152.7)
-
Step 900
900
#214C30
oklch(37.7% 0.068 153.2)
-
Step 950
950
#142D1C
oklch(27.1% 0.045 152.8)
#257243 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) | #726940 | 0.092 |
| Deuteranopia (no green cones) | #686246 | 0.089 |
| Tritanopia (no blue cones) | #017066 | 0.055 |
| Achromatopsia (no color) | #646464 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257243
#257243
oklch(49.2% 0.106 153)
- #84487B
#84487B
oklch(49.2% 0.107 332.8)
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 #257243, 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
- Jungle Green #048243 ΔE 0.050
- Camo Green #526525 ΔE 0.054
- Dark Moss Green #606C38 ΔE 0.061
- Camouflage Green #4B6113 ΔE 0.062
- Tree Green #2A7E19 ΔE 0.064
- Pine #2B5D34 ΔE 0.064
- Spruce #0A5F38 ΔE 0.064
Use #257243 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.