#256C40#256C40

#256C40 is a mid, moderate green. Relative luminance 0.115; OKLCH L 47.5% C 0.100 H 152.9°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#256C40
RGB	rgb(37, 108, 64)
HSL	hsl(143, 49%, 28%)
HSV	hsv(143, 66%, 42%)
CMYK	cmyk(65.7%, 0%, 40.7%, 57.6%)
CIE-LAB	lab(40.39, -32.98, 18.28)
CIE-LCH	lch(40.39, 37.71, 150.99°)
OKLab	oklab(47.48% -0.0892 0.0456)
OKLCH	oklch(47.48% 0.1 152.9)
XYZ	xyz(7.0504, 11.4879, 6.6953)
Luminance	0.1149 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256C40 #6C2551

analogous

#2D6C25 #256C40 #256C63

triadic

#256C40 #40256C #6C4025

tetradic

#256C40 #252D6C #6C2551 #6C6325

square

#256C40 #252D6C #6C2551 #6C6325

split-complementary

#256C40 #63256C #6C252D

monochromatic

#08170E #153E25 #256C40 #359A5B #4AC177

Accessibility & contrast

On white

6.37

#256C40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#256C40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C40

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256C40	#FFFFFF	#000000	##FFFFFF
##256C40	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C633D

Deuteranopia (green-blind)

#635D43

Tritanopia (blue-blind)

#086B61

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #256c40;
/* rgb */ color: rgb(37, 108, 64);
/* oklch */ color: oklch(47.5% 0.100 152.9);

Tailwind

colors: {
  custom: {
    50: '#689775',
    500: '#256c40',
    950: '#000000',
  },
}

SCSS

$custom: #256c40;
$custom-light: #689775;
$custom-dark: #000000;

JSON

{
  "hex": "#256c40",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 64
  },
  "hsl": {
    "h": 142.817,
    "s": 48.966,
    "l": 28.431
  },
  "oklch": {
    "l": 0.47481,
    "c": 0.10019,
    "h": 152.9
  },
  "luminance": 0.11489
}

Semantic roles & 50–950 ramp

primary

#256C40

secondary

#9F4E80

accent

#4FA4D9

background

#F6F9F7

surface

#EBF2ED

border

#C6CCC8

text

#070D08

muted

#7A7E7B

Preview Lab

Preview with #256C40

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

Preview Lab → · Contrast checker → · Palette generator →