#257D3F#257D3F

#257D3F is a mid, vivid green. Relative luminance 0.154; OKLCH L 52.3% C 0.126 H 149.4°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#257D3F
RGB	rgb(37, 125, 63)
HSL	hsl(138, 54%, 32%)
HSV	hsv(138, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 49.6%, 51%)
CIE-LAB	lab(46.20, -40.27, 26.35)
CIE-LCH	lch(46.20, 48.13, 146.80°)
OKLab	oklab(52.26% -0.1085 0.0643)
OKLCH	oklch(52.26% 0.126 149.4)
XYZ	xyz(8.9931, 15.4185, 7.2038)
Luminance	0.1542 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D3F #7D2563

analogous

#377D25 #257D3F #257D6B

triadic

#257D3F #3F257D #7D3F25

tetradic

#257D3F #25377D #7D2563 #7D6B25

square

#257D3F #25377D #7D2563 #7D6B25

split-complementary

#257D3F #6B257D #7D2537

monochromatic

#091F0F #174E27 #257D3F #33AC57 #51CB75

Accessibility & contrast

On white

5.14

#257D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#257D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D3F

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D3F	#FFFFFF	#000000	##FFFFFF
##257D3F	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E723A

Deuteranopia (green-blind)

#736A43

Tritanopia (blue-blind)

#007B6E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #257d3f;
/* rgb */ color: rgb(37, 125, 63);
/* oklch */ color: oklch(52.3% 0.126 149.4);

Tailwind

colors: {
  custom: {
    50: '#6ca375',
    500: '#257d3f',
    950: '#000000',
  },
}

SCSS

$custom: #257d3f;
$custom-light: #6ca375;
$custom-dark: #000000;

JSON

{
  "hex": "#257d3f",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 63
  },
  "hsl": {
    "h": 137.727,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.52262,
    "c": 0.12612,
    "h": 149.4
  },
  "luminance": 0.15419
}

Semantic roles & 50–950 ramp

primary

#257D3F

secondary

#AF4F93

accent

#4AB2DE

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#080F08

muted

#7A7F7B

Preview Lab

Preview with #257D3F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →