#257C3D#257C3D

#257C3D is a mid, vivid green. Relative luminance 0.151; OKLCH L 51.9% C 0.127 H 148.8°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#257C3D
RGBrgb(37, 124, 61)
HSLhsl(137, 54%, 32%)
HSVhsv(137, 70%, 49%)
CMYKcmyk(70.2%, 0%, 50.8%, 51.4%)
CIE-LABlab(45.83, -40.22, 26.97)
CIE-LCHlch(45.83, 48.42, 146.15°)
OKLaboklab(51.95% -0.1084 0.0656)
OKLCHoklch(51.95% 0.127 148.8)
XYZxyz(8.8122, 15.1446, 6.8728)
Luminance0.1515 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#257C3D #7C2564
analogous
#397C25 #257C3D #257C69
triadic
#257C3D #3D257C #7C3D25
tetradic
#257C3D #25397C #7C2564 #7C6925
square
#257C3D #25397C #7C2564 #7C6925
split-complementary
#257C3D #69257C #7C2539
monochromatic
#091E0F #174D26 #257C3D #33AB54 #50CB72

Accessibility & contrast

On white

5.21
#257C3D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.03
#257C3D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257C3D
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##257C3D#FFFFFF#000000##FFFFFF
##257C3D1.005.214.035.21
#FFFFFF5.211.0021.001.00
#0000004.0321.001.0021.00
##FFFFFF5.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7D7138
Deuteranopia (green-blind)
#726A41
Tritanopia (blue-blind)
#007A6D
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #257c3d;
/* rgb */ color: rgb(37, 124, 61);
/* oklch */ color: oklch(51.9% 0.127 148.8);
Tailwind
colors: {
  custom: {
    50: '#6ca374',
    500: '#257c3d',
    950: '#000000',
  },
}
SCSS
$custom: #257c3d;
$custom-light: #6ca374;
$custom-dark: #000000;
JSON
{
  "hex": "#257c3d",
  "rgb": {
    "r": 37,
    "g": 124,
    "b": 61
  },
  "hsl": {
    "h": 136.552,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.51947,
    "c": 0.12667,
    "h": 148.8
  },
  "luminance": 0.15146
}

Semantic roles & 50–950 ramp

primary
#257C3D
secondary
#AE4F94
accent
#4AB5DD
background
#F6FAF7
surface
#ECF4ED
border
#C7CEC8
text
#070F08
muted
#7A7F7B

Preview Lab

Preview with #257C3D

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

Preview Lab → · Contrast checker → · Palette generator →

#257C3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva