#257D42#257D42

#257D42 is a mid, vivid green. Relative luminance 0.155; OKLCH L 52.3% C 0.123 H 150.4°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#257D42
RGB	rgb(37, 125, 66)
HSL	hsl(140, 54%, 32%)
HSV	hsv(140, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 47.2%, 51%)
CIE-LAB	lab(46.25, -39.75, 24.77)
CIE-LCH	lch(46.25, 46.84, 148.07°)
OKLab	oklab(52.32% -0.1071 0.0608)
OKLCH	oklch(52.32% 0.123 150.4)
XYZ	xyz(9.0792, 15.4529, 7.6574)
Luminance	0.1545 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D42 #7D2560

analogous

#347D25 #257D42 #257D6E

triadic

#257D42 #42257D #7D4225

tetradic

#257D42 #25347D #7D2560 #7D6E25

square

#257D42 #25347D #7D2560 #7D6E25

split-complementary

#257D42 #6E257D #7D2534

monochromatic

#091F10 #174E29 #257D42 #33AC5B #51CB79

Accessibility & contrast

On white

5.13

#257D42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#257D42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D42

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D42	#FFFFFF	#000000	##FFFFFF
##257D42	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E723D

Deuteranopia (green-blind)

#736B46

Tritanopia (blue-blind)

#007B6F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #257d42;
/* rgb */ color: rgb(37, 125, 66);
/* oklch */ color: oklch(52.3% 0.123 150.4);

Tailwind

colors: {
  custom: {
    50: '#6ca377',
    500: '#257d42',
    950: '#000000',
  },
}

SCSS

$custom: #257d42;
$custom-light: #6ca377;
$custom-dark: #000000;

JSON

{
  "hex": "#257d42",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 66
  },
  "hsl": {
    "h": 139.773,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.52316,
    "c": 0.12316,
    "h": 150.4
  },
  "luminance": 0.15454
}

Semantic roles & 50–950 ramp

primary

#257D42

secondary

#AF4F8F

accent

#4AADDE

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#070F09

muted

#7A7F7B

Preview Lab

Preview with #257D42

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

Preview Lab → · Contrast checker → · Palette generator →