#256E40#256E40

#256E40 is a mid, moderate green. Relative luminance 0.119; OKLCH L 48.0% C 0.103 H 152.5°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX#256E40
RGBrgb(37, 110, 64)
HSLhsl(142, 50%, 29%)
HSVhsv(142, 66%, 43%)
CMYKcmyk(66.4%, 0%, 41.8%, 56.9%)
CIE-LABlab(41.08, -33.85, 19.19)
CIE-LCHlch(41.08, 38.92, 150.45°)
OKLaboklab(48.05% -0.0915 0.0477)
OKLCHoklch(48.05% 0.103 152.5)
XYZxyz(7.2637, 11.9146, 6.7664)
Luminance0.1192 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256E40 #6E2553
analogous
#2F6E25 #256E40 #256E65
triadic
#256E40 #40256E #6E4025
tetradic
#256E40 #252F6E #6E2553 #6E6525
square
#256E40 #252F6E #6E2553 #6E6525
split-complementary
#256E40 #65256E #6E252F
monochromatic
#08170D #164025 #256E40 #349C5B #4BC277

Accessibility & contrast

On white

6.21
#256E40 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.38
#256E40 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E40
6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256E40#FFFFFF#000000##FFFFFF
##256E401.006.213.386.21
#FFFFFF6.211.0021.001.00
#0000003.3821.001.0021.00
##FFFFFF6.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E653D
Deuteranopia (green-blind)
#655E43
Tritanopia (blue-blind)
#076C63
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #256e40;
/* rgb */ color: rgb(37, 110, 64);
/* oklch */ color: oklch(48.0% 0.103 152.5);
Tailwind
colors: {
  custom: {
    50: '#689875',
    500: '#256e40',
    950: '#000000',
  },
}
SCSS
$custom: #256e40;
$custom-light: #689875;
$custom-dark: #000000;
JSON
{
  "hex": "#256e40",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 64
  },
  "hsl": {
    "h": 142.192,
    "s": 49.66,
    "l": 28.824
  },
  "oklch": {
    "l": 0.48048,
    "c": 0.10322,
    "h": 152.5
  },
  "luminance": 0.11915
}

Semantic roles & 50–950 ramp

primary
#256E40
secondary
#A14E82
accent
#4FA6D9
background
#F6F9F7
surface
#EBF2ED
border
#C6CCC8
text
#070E08
muted
#7A7E7B

Preview Lab

Preview with #256E40

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

Preview Lab → · Contrast checker → · Palette generator →

#256E40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva