#257E12
Closest named color: Tree Green (#2A7E19). oklch(52.1% 0.161 140.9), rgb(37, 126, 18).
Aa
White text reads best on this color (5.15:1).
About this color
#257E12 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.161 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.006 away. White text reads best on it, at 5.15:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #257E12 |
| RGB | rgb(37, 126, 18) |
| HSL | hsl(109, 75%, 28%) |
| OKLCH | oklch(52.1% 0.161 140.9) |
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 #257E12 | 5.15:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #257E12 | 4.07:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #257E12 text on white | 5.15:1 | AA | Lc 75.1 | Fine for body text |
| #257E12 text on black | 4.07:1 | AA large text | Lc -26.7 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CAE1C6
oklch(88.5% 0.044 141)
-
Step 300
300
#A6CE9E
oklch(81% 0.079 140.4)
-
Step 400
400
#73B468
oklch(70.7% 0.126 140.9)
-
Step 500
500
#4BA03D
oklch(63.1% 0.159 140.9)
-
Step 600
600
#288A13
oklch(55.6% 0.173 140.9)
-
Step 700
700 (this color)
#257E12
oklch(52.1% 0.161 140.9)
-
Step 800
800
#195F09
oklch(42.6% 0.133 140.8)
-
Step 900
900
#1C4E13
oklch(37.6% 0.104 140.8)
-
Step 950
950
#122E0D
oklch(27% 0.066 140.7)
#257E12 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) | #817200 | 0.109 |
| Deuteranopia (no green cones) | #776B20 | 0.109 |
| Tritanopia (no blue cones) | #127A6B | 0.107 |
| Achromatopsia (no color) | #6D6D6D | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257E12
#257E12
oklch(52.1% 0.161 140.9)
- #9143A0
#9143A0
oklch(52.1% 0.16 320.9)
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 #257E12, closest first.
No curated palette has a color within ΔE 0.04 of #257E12.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.006
- Dark Grass Green #388004 ΔE 0.016
- Green #008000 ΔE 0.017
- Forest Green #228B22 ΔE 0.038
- Jungle Green #048243 ΔE 0.040
- Emerald Green #028F1E ΔE 0.050
- Kelley Green #009337 ΔE 0.061
- Olive Green #677A04 ΔE 0.066
Use #257E12 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.