#257A25
Closest named color: Tree Green (#2A7E19). oklch(51.1% 0.145 143.1), rgb(37, 122, 37).
Aa
White text reads best on this color (5.39:1).
About this color
#257A25 is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.145 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.017 away. White text reads best on it, at 5.39:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.88:1 |
| White text | 5.39:1 |
Values
| HEX | #257A25 |
| RGB | rgb(37, 122, 37) |
| HSL | hsl(120, 53%, 31%) |
| OKLCH | oklch(51.1% 0.145 143.1) |
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 #257A25 | 5.39:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #257A25 | 3.88:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #257A25 text on white | 5.39:1 | AA | Lc 76.5 | Fine for body text |
| #257A25 text on black | 3.88:1 | AA large text | Lc -25.2 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A6CDA4
oklch(80.9% 0.07 143.6)
-
Step 400
400
#75B372
oklch(70.8% 0.113 143.2)
-
Step 500
500
#4E9F4B
oklch(63.1% 0.144 143)
-
Step 600
600
#2C892C
oklch(55.6% 0.156 143.1)
-
Step 700
700 (this color)
#257A25
oklch(51.1% 0.145 143.1)
-
Step 800
800
#1C5F1C
oklch(42.8% 0.12 143.1)
-
Step 900
900
#1E4E1D
oklch(37.8% 0.094 143.1)
-
Step 950
950
#132E12
oklch(27.2% 0.06 143)
#257A25 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) | #7D6E1A | 0.105 |
| Deuteranopia (no green cones) | #73672D | 0.106 |
| Tritanopia (no blue cones) | #107669 | 0.094 |
| Achromatopsia (no color) | #6A6A6A | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257A25
#257A25
oklch(51.1% 0.145 143.1)
- #8C4495
#8C4495
oklch(51% 0.145 323.1)
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 #257A25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.017
- Dark Grass Green #388004 ΔE 0.031
- Jungle Green #048243 ΔE 0.033
- Green #008000 ΔE 0.033
- Forest Green #228B22 ΔE 0.053
- Emerald Green #028F1E ΔE 0.065
- Dark Olive Green #556B2F ΔE 0.067
- Olive Green #677A04 ΔE 0.067
Use #257A25 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.