#257E42#257E42

#257E42 is a mid, vivid green. Relative luminance 0.157; OKLCH L 52.6% C 0.125 H 150.3°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#257E42
RGB	rgb(37, 126, 66)
HSL	hsl(140, 55%, 32%)
HSV	hsv(140, 71%, 49%)
CMYK	cmyk(70.6%, 0%, 47.6%, 50.6%)
CIE-LAB	lab(46.59, -40.15, 25.20)
CIE-LCH	lch(46.59, 47.41, 147.88°)
OKLab	oklab(52.6% -0.1082 0.0618)
OKLCH	oklch(52.6% 0.125 150.3)
XYZ	xyz(9.2064, 15.7074, 7.6998)
Luminance	0.1571 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E42 #7E2561

analogous

#347E25 #257E42 #257E6F

triadic

#257E42 #42257E #7E4225

tetradic

#257E42 #25347E #7E2561 #7E6F25

square

#257E42 #25347E #7E2561 #7E6F25

split-complementary

#257E42 #6F257E #7E2534

monochromatic

#091F10 #174F29 #257E42 #33AD5B #51CC79

Accessibility & contrast

On white

5.07

#257E42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#257E42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E42

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E42	#FFFFFF	#000000	##FFFFFF
##257E42	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F733D

Deuteranopia (green-blind)

#746B46

Tritanopia (blue-blind)

#007C70

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #257e42;
/* rgb */ color: rgb(37, 126, 66);
/* oklch */ color: oklch(52.6% 0.125 150.3);

Tailwind

colors: {
  custom: {
    50: '#6ca477',
    500: '#257e42',
    950: '#000000',
  },
}

SCSS

$custom: #257e42;
$custom-light: #6ca477;
$custom-dark: #000000;

JSON

{
  "hex": "#257e42",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 66
  },
  "hsl": {
    "h": 139.551,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.52596,
    "c": 0.12458,
    "h": 150.3
  },
  "luminance": 0.15708
}

Semantic roles & 50–950 ramp

primary

#257E42

secondary

#B04F90

accent

#4AAEDE

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#080F09

muted

#7B7F7B

Preview Lab

Preview with #257E42

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

Preview Lab → · Contrast checker → · Palette generator →