#278F59#278F59

#278F59 is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.8% C 0.125 H 155.8°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#278F59
RGB	rgb(39, 143, 89)
HSL	hsl(149, 57%, 36%)
HSV	hsv(149, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 37.8%, 43.9%)
CIE-LAB	lab(52.73, -42.23, 20.50)
CIE-LCH	lch(52.73, 46.94, 154.10°)
OKLab	oklab(57.8% -0.1142 0.0514)
OKLCH	oklch(57.8% 0.125 155.8)
XYZ	xyz(12.4612, 20.7961, 12.8066)
Luminance	0.2080 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F59 #8F275D

analogous

#298F27 #278F59 #278F8D

triadic

#278F59 #59278F #8F5927

tetradic

#278F59 #27298F #8F275D #8F8D27

square

#278F59 #27298F #8F275D #8F8D27

split-complementary

#278F59 #8D278F #8F2729

monochromatic

#0D2F1D #1A5F3B #278F59 #34BF77 #5DD396

Accessibility & contrast

On white

4.07

#278F59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#278F59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F59

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F59	#FFFFFF	#000000	##000000
##278F59	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8355

Deuteranopia (green-blind)

#817A5D

Tritanopia (blue-blind)

#008E81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #278f59;
/* rgb */ color: rgb(39, 143, 89);
/* oklch */ color: oklch(57.8% 0.125 155.8);

Tailwind

colors: {
  custom: {
    50: '#70b188',
    500: '#278f59',
    950: '#000000',
  },
}

SCSS

$custom: #278f59;
$custom-light: #70b188;
$custom-dark: #000000;

JSON

{
  "hex": "#278f59",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 89
  },
  "hsl": {
    "h": 148.846,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57798,
    "c": 0.1252,
    "h": 155.8
  },
  "luminance": 0.20798
}

Semantic roles & 50–950 ramp

primary

#278F59

secondary

#B85A8B

accent

#4797E0

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#08110B

muted

#7B807C

Preview Lab

Preview with #278F59

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

Preview Lab → · Contrast checker → · Palette generator →