#257E4B#257E4B

#257E4B is a mid, moderate green. Relative luminance 0.158; OKLCH L 52.8% C 0.116 H 153.9°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#257E4B
RGB	rgb(37, 126, 75)
HSL	hsl(146, 55%, 32%)
HSV	hsv(146, 71%, 49%)
CMYK	cmyk(70.6%, 0%, 40.5%, 50.6%)
CIE-LAB	lab(46.74, -38.45, 20.38)
CIE-LCH	lch(46.74, 43.52, 152.07°)
OKLab	oklab(52.77% -0.1038 0.0508)
OKLCH	oklch(52.77% 0.116 153.9)
XYZ	xyz(9.4930, 15.8220, 9.2089)
Luminance	0.1582 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E4B #7E2558

analogous

#2C7E25 #257E4B #257E78

triadic

#257E4B #4B257E #7E4B25

tetradic

#257E4B #252C7E #7E2558 #7E7825

square

#257E4B #252C7E #7E2558 #7E7825

split-complementary

#257E4B #78257E #7E252C

monochromatic

#091F13 #174F2F #257E4B #33AD67 #51CC86

Accessibility & contrast

On white

5.04

#257E4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#257E4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E4B

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E4B	#FFFFFF	#000000	##FFFFFF
##257E4B	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7448

Deuteranopia (green-blind)

#736C4E

Tritanopia (blue-blind)

#007C71

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #257e4b;
/* rgb */ color: rgb(37, 126, 75);
/* oklch */ color: oklch(52.8% 0.116 153.9);

Tailwind

colors: {
  custom: {
    50: '#6ca47e',
    500: '#257e4b',
    950: '#000000',
  },
}

SCSS

$custom: #257e4b;
$custom-light: #6ca47e;
$custom-dark: #000000;

JSON

{
  "hex": "#257e4b",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 75
  },
  "hsl": {
    "h": 145.618,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.52771,
    "c": 0.11561,
    "h": 153.9
  },
  "luminance": 0.15823
}

Semantic roles & 50–950 ramp

primary

#257E4B

secondary

#B04F87

accent

#4A9FDE

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#070F0A

muted

#7A7F7C

Preview Lab

Preview with #257E4B

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

Preview Lab → · Contrast checker → · Palette generator →