#257F4B#257F4B

#257F4B is a mid, moderate green. Relative luminance 0.161; OKLCH L 53.0% C 0.117 H 153.7°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX#257F4B
RGBrgb(37, 127, 75)
HSLhsl(145, 55%, 32%)
HSVhsv(145, 71%, 50%)
CMYKcmyk(70.9%, 0%, 40.9%, 50.2%)
CIE-LABlab(47.08, -38.86, 20.83)
CIE-LCHlch(47.08, 44.09, 151.81°)
OKLaboklab(53.05% -0.1049 0.0519)
OKLCHoklch(53.05% 0.117 153.7)
XYZxyz(9.6215, 16.0790, 9.2517)
Luminance0.1608 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#257F4B #7F2559
analogous
#2C7F25 #257F4B #257F78
triadic
#257F4B #4B257F #7F4B25
tetradic
#257F4B #252C7F #7F2559 #7F7825
square
#257F4B #252C7F #7F2559 #7F7825
split-complementary
#257F4B #78257F #7F252C
monochromatic
#092013 #17502F #257F4B #33AE67 #52CD86

Accessibility & contrast

On white

4.98
#257F4B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.22
#257F4B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257F4B
4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##257F4B#FFFFFF#000000##FFFFFF
##257F4B1.004.984.224.98
#FFFFFF4.981.0021.001.00
#0000004.2221.001.0021.00
##FFFFFF4.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7F7447
Deuteranopia (green-blind)
#746C4E
Tritanopia (blue-blind)
#007D72
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #257f4b;
/* rgb */ color: rgb(37, 127, 75);
/* oklch */ color: oklch(53.0% 0.117 153.7);
Tailwind
colors: {
  custom: {
    50: '#6ca57e',
    500: '#257f4b',
    950: '#000000',
  },
}
SCSS
$custom: #257f4b;
$custom-light: #6ca57e;
$custom-dark: #000000;
JSON
{
  "hex": "#257f4b",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 75
  },
  "hsl": {
    "h": 145.333,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.53049,
    "c": 0.11705,
    "h": 153.7
  },
  "luminance": 0.1608
}

Semantic roles & 50–950 ramp

primary
#257F4B
secondary
#B14F87
accent
#4A9FDE
background
#F6FAF7
surface
#ECF4EE
border
#C7CEC9
text
#080F0A
muted
#7A7F7C

Preview Lab

Preview with #257F4B

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

Preview Lab → · Contrast checker → · Palette generator →

#257F4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva