#278D42#278D42

#278D42 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.8% C 0.145 H 148.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#278D42
RGB	rgb(39, 141, 66)
HSL	hsl(136, 57%, 35%)
HSV	hsv(136, 72%, 55%)
CMYK	cmyk(72.3%, 0%, 53.2%, 44.7%)
CIE-LAB	lab(51.69, -45.61, 31.60)
CIE-LCH	lch(51.69, 55.48, 145.28°)
OKLab	oklab(56.83% -0.1228 0.0762)
OKLCH	oklch(56.83% 0.145 148.2)
XYZ	xyz(11.3441, 19.8732, 8.3913)
Luminance	0.1987 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278D42 #8D2772

analogous

#3F8D27 #278D42 #278D75

triadic

#278D42 #42278D #8D4227

tetradic

#278D42 #273F8D #8D2772 #8D7527

square

#278D42 #273F8D #8D2772 #8D7527

split-complementary

#278D42 #75278D #8D273F

monochromatic

#0C2D15 #1A5D2C #278D42 #34BD58 #5CD27C

Accessibility & contrast

On white

4.22

#278D42 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#278D42 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278D42

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278D42	#FFFFFF	#000000	##000000
##278D42	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E803B

Deuteranopia (green-blind)

#827848

Tritanopia (blue-blind)

#008A7C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #278d42;
/* rgb */ color: rgb(39, 141, 66);
/* oklch */ color: oklch(56.8% 0.145 148.2);

Tailwind

colors: {
  custom: {
    50: '#70af78',
    500: '#278d42',
    950: '#000000',
  },
}

SCSS

$custom: #278d42;
$custom-light: #70af78;
$custom-dark: #000000;

JSON

{
  "hex": "#278d42",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 66
  },
  "hsl": {
    "h": 135.882,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56826,
    "c": 0.14454,
    "h": 148.2
  },
  "luminance": 0.19874
}

Semantic roles & 50–950 ramp

primary

#278D42

secondary

#B7599E

accent

#48B8E0

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #278D42

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

Preview Lab → · Contrast checker → · Palette generator →