#278E50#278E50

#278E50 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.3% C 0.133 H 152.4°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#278E50
RGB	rgb(39, 142, 80)
HSL	hsl(144, 57%, 35%)
HSV	hsv(144, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 43.7%, 44.3%)
CIE-LAB	lab(52.24, -43.59, 24.82)
CIE-LCH	lch(52.24, 50.16, 150.34°)
OKLab	oklab(57.34% -0.1175 0.0614)
OKLCH	oklch(57.34% 0.133 152.4)
XYZ	xyz(11.9566, 20.3552, 10.8867)
Luminance	0.2036 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E50 #8E2765

analogous

#328E27 #278E50 #278E83

triadic

#278E50 #50278E #8E5027

tetradic

#278E50 #27328E #8E2765 #8E8327

square

#278E50 #27328E #8E2765 #8E8327

split-complementary

#278E50 #83278E #8E2732

monochromatic

#0D2E1A #1A5E35 #278E50 #34BE6B #5DD28C

Accessibility & contrast

On white

4.14

#278E50 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#278E50 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E50

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E50	#FFFFFF	#000000	##000000
##278E50	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E824B

Deuteranopia (green-blind)

#827954

Tritanopia (blue-blind)

#008C7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278e50;
/* rgb */ color: rgb(39, 142, 80);
/* oklch */ color: oklch(57.3% 0.133 152.4);

Tailwind

colors: {
  custom: {
    50: '#70b082',
    500: '#278e50',
    950: '#000000',
  },
}

SCSS

$custom: #278e50;
$custom-light: #70b082;
$custom-dark: #000000;

JSON

{
  "hex": "#278e50",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 80
  },
  "hsl": {
    "h": 143.883,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57343,
    "c": 0.13253,
    "h": 152.4
  },
  "luminance": 0.20357
}

Semantic roles & 50–950 ramp

primary

#278E50

secondary

#B85992

accent

#48A3E0

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #278E50

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

Preview Lab → · Contrast checker → · Palette generator →