#257331
Closest named color: Jungle Green (#048243). oklch(49.2% 0.126 146), rgb(37, 115, 49).
Aa
White text reads best on this color (5.87:1).
About this color
#257331 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.126 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 0.044 away. White text reads best on it, at 5.87:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #257331 |
| RGB | rgb(37, 115, 49) |
| HSL | hsl(129, 51%, 30%) |
| OKLCH | oklch(49.2% 0.126 146) |
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 #257331 | 5.87:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #257331 | 3.57:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #257331 text on white | 5.87:1 | AA | Lc 79.0 | Fine for body text |
| #257331 text on black | 3.57:1 | AA large text | Lc -22.8 | 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 700.
-
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
#CCE0CC
oklch(88.6% 0.034 145.3)
-
Step 300
300
#A8CCAA
oklch(81% 0.061 146.5)
-
Step 400
400
#78B17C
oklch(70.7% 0.097 146.2)
-
Step 500
500
#529D5A
oklch(63% 0.124 146.2)
-
Step 600
600
#33873F
oklch(55.5% 0.134 146.1)
-
Step 700
700 (this color)
#257331
oklch(49.2% 0.126 146)
-
Step 800
800
#215D29
oklch(42.6% 0.103 145.9)
-
Step 900
900
#214D26
oklch(37.8% 0.081 146)
-
Step 950
950
#142D17
oklch(27% 0.051 146.6)
#257331 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) | #75692B | 0.096 |
| Deuteranopia (no green cones) | #6B6236 | 0.095 |
| Tritanopia (no blue cones) | #0E7064 | 0.075 |
| Achromatopsia (no color) | #646464 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257331
#257331
oklch(49.2% 0.126 146)
- #844487
#844487
oklch(49.2% 0.126 325.6)
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 #257331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.044
- Tree Green #2A7E19 ΔE 0.045
- Dark Olive Green #556B2F ΔE 0.051
- Camo Green #526525 ΔE 0.055
- Dark Grass Green #388004 ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.058
- Green #008000 ΔE 0.059
- Dark Green #006400 ΔE 0.061
Use #257331 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.