#257C50
Closest named color: Jungle Green (#048243). oklch(52.3% 0.108 156.9), rgb(37, 124, 80).
Aa
White text reads best on this color (5.15:1).
About this color
#257C50 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.108 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.032 away. White text reads best on it, at 5.15:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #257C50 |
| RGB | rgb(37, 124, 80) |
| HSL | hsl(150, 54%, 32%) |
| OKLCH | oklch(52.3% 0.108 156.9) |
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 #257C50 | 5.15:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #257C50 | 4.07:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #257C50 text on white | 5.15:1 | AA | Lc 75.2 | Fine for body text |
| #257C50 text on black | 4.07:1 | AA large text | Lc -26.6 | 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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD2
oklch(88.4% 0.029 158.6)
-
Step 300
300
#A6CBB3
oklch(80.8% 0.052 156.6)
-
Step 400
400
#74B18C
oklch(70.8% 0.084 156.9)
-
Step 500
500
#4B9D6F
oklch(63.2% 0.107 156.8)
-
Step 600
600
#278757
oklch(55.6% 0.116 157)
-
Step 700
700 (this color)
#257C50
oklch(52.3% 0.108 156.9)
-
Step 800
800
#185D3B
oklch(42.6% 0.088 157.3)
-
Step 900
900
#1C4C32
oklch(37.6% 0.069 156.9)
-
Step 950
950
#122D1E
oklch(27.1% 0.044 157.4)
#257C50 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) | #7B724D | 0.098 |
| Deuteranopia (no green cones) | #706A53 | 0.096 |
| Tritanopia (no blue cones) | #007B71 | 0.051 |
| Achromatopsia (no color) | #6D6D6D | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257C50
#257C50
oklch(52.3% 0.108 156.9)
- #905080
#905080
oklch(52.3% 0.107 337)
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 #257C50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.032
- Sea Green #2E8B57 ΔE 0.047
- Dark Sage #598556 ΔE 0.058
- Tree Green #2A7E19 ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.062
- Viridian #1E9167 ΔE 0.063
- Military Green #667C3E ΔE 0.064
- Bluegreen #017A79 ΔE 0.065
Use #257C50 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.