#257D4D#257D4D

#257D4D is a mid, moderate green. Relative luminance 0.156; OKLCH L 52.5% C 0.112 H 155.1°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#257D4D
RGBrgb(37, 125, 77)
HSLhsl(147, 54%, 32%)
HSVhsv(147, 70%, 49%)
CMYKcmyk(70.4%, 0%, 38.4%, 51%)
CIE-LABlab(46.44, -37.62, 18.85)
CIE-LCHlch(46.44, 42.08, 153.39°)
OKLaboklab(52.54% -0.1018 0.0472)
OKLCHoklch(52.54% 0.112 155.1)
XYZxyz(9.4353, 15.5953, 9.5327)
Luminance0.1560 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#257D4D #7D2555
analogous
#297D25 #257D4D #257D79
triadic
#257D4D #4D257D #7D4D25
tetradic
#257D4D #25297D #7D2555 #7D7925
square
#257D4D #25297D #7D2555 #7D7925
split-complementary
#257D4D #79257D #7D2529
monochromatic
#091F13 #174E30 #257D4D #33AC6A #51CB89

Accessibility & contrast

On white

5.10
#257D4D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.12
#257D4D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D4D
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##257D4D#FFFFFF#000000##FFFFFF
##257D4D1.005.104.125.10
#FFFFFF5.101.0021.001.00
#0000004.1221.001.0021.00
##FFFFFF5.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7D734A
Deuteranopia (green-blind)
#716B50
Tritanopia (blue-blind)
#007C71
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #257d4d;
/* rgb */ color: rgb(37, 125, 77);
/* oklch */ color: oklch(52.5% 0.112 155.1);
Tailwind
colors: {
  custom: {
    50: '#6ca37f',
    500: '#257d4d',
    950: '#000000',
  },
}
SCSS
$custom: #257d4d;
$custom-light: #6ca37f;
$custom-dark: #000000;
JSON
{
  "hex": "#257d4d",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 77
  },
  "hsl": {
    "h": 147.273,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.52535,
    "c": 0.11218,
    "h": 155.1
  },
  "luminance": 0.15596
}

Semantic roles & 50–950 ramp

primary
#257D4D
secondary
#AF4F83
accent
#4A9BDE
background
#F6FAF7
surface
#ECF4EE
border
#C7CEC9
text
#070F0A
muted
#7A7F7C

Preview Lab

Preview with #257D4D

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

Preview Lab → · Contrast checker → · Palette generator →

#257D4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva