#256A3F#256A3F

#256A3F is a mid, moderate green. Relative luminance 0.111; OKLCH L 46.9% C 0.098 H 152.9°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#256A3F
RGBrgb(37, 106, 63)
HSLhsl(143, 48%, 28%)
HSVhsv(143, 65%, 42%)
CMYKcmyk(65.1%, 0%, 40.6%, 58.4%)
CIE-LABlab(39.68, -32.30, 17.93)
CIE-LCHlch(39.68, 36.94, 150.97°)
OKLaboklab(46.89% -0.0874 0.0447)
OKLCHoklch(46.89% 0.098 152.9)
XYZxyz(6.8136, 11.0596, 6.4773)
Luminance0.1106 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256A3F #6A2550
analogous
#2D6A25 #256A3F #256A61
triadic
#256A3F #3F256A #6A3F25
tetradic
#256A3F #252D6A #6A2550 #6A6125
square
#256A3F #252D6A #6A2550 #6A6125
split-complementary
#256A3F #61256A #6A252D
monochromatic
#08170D #153D24 #256A3F #35975A #4AC076

Accessibility & contrast

On white

6.54
#256A3F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#256A3F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256A3F
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256A3F#FFFFFF#000000##FFFFFF
##256A3F1.006.543.216.54
#FFFFFF6.541.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A613C
Deuteranopia (green-blind)
#615B42
Tritanopia (blue-blind)
#0B695F
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #256a3f;
/* rgb */ color: rgb(37, 106, 63);
/* oklch */ color: oklch(46.9% 0.098 152.9);
Tailwind
colors: {
  custom: {
    50: '#689574',
    500: '#256a3f',
    950: '#000000',
  },
}
SCSS
$custom: #256a3f;
$custom-light: #689574;
$custom-dark: #000000;
JSON
{
  "hex": "#256a3f",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 63
  },
  "hsl": {
    "h": 142.609,
    "s": 48.252,
    "l": 28.039
  },
  "oklch": {
    "l": 0.46892,
    "c": 0.09819,
    "h": 152.9
  },
  "luminance": 0.1106
}

Semantic roles & 50–950 ramp

primary
#256A3F
secondary
#9D4E7F
accent
#50A5D8
background
#F6F9F7
surface
#EBF2ED
border
#C6CCC8
text
#060D08
muted
#7A7E7B

Preview Lab

Preview with #256A3F

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

Preview Lab → · Contrast checker → · Palette generator →

#256A3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva