#256B21#256B21

#256B21 is a mid, vivid green. Relative luminance 0.110; OKLCH L 46.7% C 0.129 H 142.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#256B21
RGBrgb(37, 107, 33)
HSLhsl(117, 53%, 27%)
HSVhsv(117, 69%, 42%)
CMYKcmyk(65.4%, 0%, 69.2%, 58%)
CIE-LABlab(39.61, -37.41, 33.95)
CIE-LCHlch(39.61, 50.51, 137.78°)
OKLaboklab(46.7% -0.1018 0.0785)
OKLCHoklch(46.7% 0.129 142.4)
XYZxyz(6.2948, 11.0179, 3.2335)
Luminance0.1102 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256B21 #67216B
analogous
#4A6B21 #256B21 #216B42
triadic
#256B21 #21256B #6B2125
tetradic
#256B21 #214A6B #67216B #6B4221
square
#256B21 #214A6B #67216B #6B4221
split-complementary
#256B21 #42216B #6B214A
monochromatic
#081707 #153C13 #256B21 #359A2F #49C542

Accessibility & contrast

On white

6.55
#256B21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#256B21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B21
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256B21#FFFFFF#000000##FFFFFF
##256B211.006.553.206.55
#FFFFFF6.551.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E6118
Deuteranopia (green-blind)
#655B28
Tritanopia (blue-blind)
#18685C
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #256b21;
/* rgb */ color: rgb(37, 107, 33);
/* oklch */ color: oklch(46.7% 0.129 142.4);
Tailwind
colors: {
  custom: {
    50: '#699660',
    500: '#256b21',
    950: '#000000',
  },
}
SCSS
$custom: #256b21;
$custom-light: #699660;
$custom-dark: #000000;
JSON
{
  "hex": "#256b21",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 33
  },
  "hsl": {
    "h": 116.757,
    "s": 52.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.46698,
    "c": 0.12855,
    "h": 142.4
  },
  "luminance": 0.11019
}

Semantic roles & 50–950 ramp

primary
#256B21
secondary
#9A499F
accent
#4CDCD4
background
#F6F9F5
surface
#EBF2EA
border
#C6CCC6
text
#070D05
muted
#7A7E79

Preview Lab

Preview with #256B21

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

Preview Lab → · Contrast checker → · Palette generator →

#256B21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva