#256D3B#256D3B

#256D3B is a mid, moderate green. Relative luminance 0.116; OKLCH L 47.7% C 0.107 H 150.3°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#256D3B
RGBrgb(37, 109, 59)
HSLhsl(138, 49%, 29%)
HSVhsv(138, 66%, 43%)
CMYKcmyk(66.1%, 0%, 45.9%, 57.3%)
CIE-LABlab(40.65, -34.38, 21.50)
CIE-LCHlch(40.65, 40.55, 147.98°)
OKLaboklab(47.66% -0.0928 0.053)
OKLCHoklch(47.66% 0.107 150.3)
XYZxyz(7.0205, 11.6457, 6.0147)
Luminance0.1165 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256D3B #6D2557
analogous
#336D25 #256D3B #256D5F
triadic
#256D3B #3B256D #6D3B25
tetradic
#256D3B #25336D #6D2557 #6D5F25
square
#256D3B #25336D #6D2557 #6D5F25
split-complementary
#256D3B #5F256D #6D2533
monochromatic
#08170C #153F22 #256D3B #359B54 #4BC26F

Accessibility & contrast

On white

6.31
#256D3B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.33
#256D3B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256D3B
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256D3B#FFFFFF#000000##FFFFFF
##256D3B1.006.313.336.31
#FFFFFF6.311.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E6437
Deuteranopia (green-blind)
#645D3E
Tritanopia (blue-blind)
#0C6B61
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #256d3b;
/* rgb */ color: rgb(37, 109, 59);
/* oklch */ color: oklch(47.7% 0.107 150.3);
Tailwind
colors: {
  custom: {
    50: '#689771',
    500: '#256d3b',
    950: '#000000',
  },
}
SCSS
$custom: #256d3b;
$custom-light: #689771;
$custom-dark: #000000;
JSON
{
  "hex": "#256d3b",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 59
  },
  "hsl": {
    "h": 138.333,
    "s": 49.315,
    "l": 28.627
  },
  "oklch": {
    "l": 0.47663,
    "c": 0.1069,
    "h": 150.3
  },
  "luminance": 0.11646
}

Semantic roles & 50–950 ramp

primary
#256D3B
secondary
#A04E87
accent
#4FAFD9
background
#F6F9F6
surface
#EBF2EC
border
#C6CCC7
text
#070D08
muted
#7A7E7B

Preview Lab

Preview with #256D3B

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

Preview Lab → · Contrast checker → · Palette generator →

#256D3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva