#257640
Closest named color: Jungle Green (#048243). oklch(50.3% 0.115 150.8), rgb(37, 118, 64).
Aa
White text reads best on this color (5.60:1).
About this color
#257640 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.115 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 0.037 away. White text reads best on it, at 5.60:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #257640 |
| RGB | rgb(37, 118, 64) |
| HSL | hsl(140, 52%, 30%) |
| OKLCH | oklch(50.3% 0.115 150.8) |
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 #257640 | 5.60:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #257640 | 3.74:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #257640 text on white | 5.60:1 | AA | Lc 77.7 | Fine for body text |
| #257640 text on black | 3.74:1 | AA large text | Lc -24.1 | 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 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CBDFCF
oklch(88.4% 0.03 151.5)
-
Step 300
300
#A7CBAE
oklch(80.8% 0.056 150.7)
-
Step 400
400
#77B184
oklch(70.8% 0.089 150.6)
-
Step 500
500
#509D65
oklch(63.2% 0.114 150.8)
-
Step 600
600
#2F874C
oklch(55.6% 0.123 151)
-
Step 700
700 (this color)
#257640
oklch(50.3% 0.115 150.8)
-
Step 800
800
#1E5D32
oklch(42.6% 0.095 150.6)
-
Step 900
900
#1F4D2C
oklch(37.8% 0.076 150.5)
-
Step 950
950
#132D1A
oklch(27% 0.048 150.8)
#257640 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) | #776C3C | 0.097 |
| Deuteranopia (no green cones) | #6C6544 | 0.094 |
| Tritanopia (no blue cones) | #017469 | 0.063 |
| Achromatopsia (no color) | #686868 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257640
#257640
oklch(50.3% 0.115 150.8)
- #884982
#884982
oklch(50.2% 0.115 330.7)
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 #257640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.037
- Tree Green #2A7E19 ΔE 0.051
- Dark Olive Green #556B2F ΔE 0.051
- Camo Green #526525 ΔE 0.060
- Dark Grass Green #388004 ΔE 0.062
- Dark Moss Green #606C38 ΔE 0.064
- Muddy Green #657432 ΔE 0.065
- Sea Green #2E8B57 ΔE 0.066
Use #257640 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.