#257F40#257F40

#257F40 is a mid, vivid green. Relative luminance 0.159; OKLCH L 52.8% C 0.128 H 149.4°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#257F40
RGB	rgb(37, 127, 64)
HSL	hsl(138, 55%, 32%)
HSV	hsv(138, 71%, 50%)
CMYK	cmyk(70.9%, 0%, 49.6%, 50.2%)
CIE-LAB	lab(46.90, -40.90, 26.69)
CIE-LCH	lch(46.90, 48.84, 146.87°)
OKLab	oklab(52.84% -0.1102 0.0651)
OKLCH	oklch(52.84% 0.128 149.4)
XYZ	xyz(9.2770, 15.9412, 7.4375)
Luminance	0.1594 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257F40 #7F2564

analogous

#377F25 #257F40 #257F6D

triadic

#257F40 #40257F #7F4025

tetradic

#257F40 #25377F #7F2564 #7F6D25

square

#257F40 #25377F #7F2564 #7F6D25

split-complementary

#257F40 #6D257F #7F2537

monochromatic

#092010 #175028 #257F40 #33AE58 #52CD77

Accessibility & contrast

On white

5.01

#257F40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#257F40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257F40

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257F40	#FFFFFF	#000000	##FFFFFF
##257F40	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#80743B

Deuteranopia (green-blind)

#756C44

Tritanopia (blue-blind)

#007D70

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #257f40;
/* rgb */ color: rgb(37, 127, 64);
/* oklch */ color: oklch(52.8% 0.128 149.4);

Tailwind

colors: {
  custom: {
    50: '#6ca576',
    500: '#257f40',
    950: '#000000',
  },
}

SCSS

$custom: #257f40;
$custom-light: #6ca576;
$custom-dark: #000000;

JSON

{
  "hex": "#257f40",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 64
  },
  "hsl": {
    "h": 138,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.52841,
    "c": 0.12796,
    "h": 149.4
  },
  "luminance": 0.15942
}

Semantic roles & 50–950 ramp

primary

#257F40

secondary

#B14F93

accent

#4AB2DE

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#080F08

muted

#7A7F7B

Preview Lab

Preview with #257F40

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

Preview Lab → · Contrast checker → · Palette generator →