#257F60
Closest named color: Sea Green (#2E8B57). oklch(53.6% 0.097 165.8), rgb(37, 127, 96).
Aa
White text reads best on this color (4.90:1).
About this color
#257F60 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.097 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.044 away. White text reads best on it, at 4.90:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.28:1 |
| White text | 4.90:1 |
Values
| HEX | #257F60 |
| RGB | rgb(37, 127, 96) |
| HSL | hsl(159, 55%, 32%) |
| OKLCH | oklch(53.6% 0.097 165.8) |
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 #257F60 | 4.90:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #257F60 | 4.28:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #257F60 text on white | 4.90:1 | AA | Lc 73.6 | Content text, not long reading |
| #257F60 text on black | 4.28:1 | AA large text | Lc -28.1 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A7CABA
oklch(80.9% 0.044 165.9)
-
Step 400
400
#76AF96
oklch(70.7% 0.07 165.3)
-
Step 500
500
#4E9B7D
oklch(63.1% 0.09 166)
-
Step 600
600 (this color)
#257F60
oklch(53.6% 0.097 165.8)
-
Step 700
700
#1E7155
oklch(49.2% 0.09 166)
-
Step 800
800
#1C5C45
oklch(42.7% 0.075 165.5)
-
Step 900
900
#1E4B3A
oklch(37.6% 0.058 165.9)
-
Step 950
950
#132C22
oklch(26.9% 0.037 165.7)
#257F60 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) | #7C765E | 0.096 |
| Deuteranopia (no green cones) | #706D62 | 0.093 |
| Tritanopia (no blue cones) | #007F76 | 0.034 |
| Achromatopsia (no color) | #717171 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257F60
#257F60
oklch(53.6% 0.097 165.8)
- #955579
#955579
oklch(53.5% 0.097 346)
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 #257F60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.044
- Bluegreen #017A79 ΔE 0.047
- Jungle Green #048243 ΔE 0.048
- Teal #008080 ΔE 0.048
- Dark Sage #598556 ΔE 0.053
- Viridian #1E9167 ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.055
- Deep Turquoise #017374 ΔE 0.058
Use #257F60 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.