#257E58
Closest named color: Jungle Green (#048243). oklch(53.1% 0.103 160.9), rgb(37, 126, 88).
Aa
White text reads best on this color (4.99:1).
About this color
#257E58 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.103 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.038 away. White text reads best on it, at 4.99:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #257E58 |
| RGB | rgb(37, 126, 88) |
| HSL | hsl(154, 55%, 32%) |
| OKLCH | oklch(53.1% 0.103 160.9) |
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 #257E58 | 4.99:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #257E58 | 4.20:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #257E58 text on white | 4.99:1 | AA | Lc 74.2 | Content text, not long reading |
| #257E58 text on black | 4.20:1 | AA large text | Lc -27.5 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A7CAB7
oklch(80.8% 0.046 161.5)
-
Step 400
400
#76AF91
oklch(70.6% 0.074 160.7)
-
Step 500
500
#4F9B77
oklch(63% 0.094 161.4)
-
Step 600
600 (this color)
#257E58
oklch(53.1% 0.103 160.9)
-
Step 700
700
#20714E
oklch(49.1% 0.096 160.6)
-
Step 800
800
#1D5C40
oklch(42.6% 0.08 160.7)
-
Step 900
900
#1F4C37
oklch(37.8% 0.062 161)
-
Step 950
950
#132C20
oklch(26.9% 0.039 161.3)
#257E58 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) | #7C7456 | 0.098 |
| Deuteranopia (no green cones) | #716C5A | 0.095 |
| Tritanopia (no blue cones) | #007E74 | 0.042 |
| Achromatopsia (no color) | #6F6F6F | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257E58
#257E58
oklch(53.1% 0.103 160.9)
- #93537E
#93537E
oklch(53.1% 0.102 340.6)
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 #257E58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.038
- Sea Green #2E8B57 ΔE 0.043
- Dark Sage #598556 ΔE 0.053
- Viridian #1E9167 ΔE 0.056
- Bluegreen #017A79 ΔE 0.056
- Teal #008080 ΔE 0.059
- Dark Aquamarine #017371 ΔE 0.061
- Military Green #667C3E ΔE 0.065
Use #257E58 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.