#278E4E#278E4E

#278E4E is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.3% C 0.134 H 151.7°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#278E4E
RGB	rgb(39, 142, 78)
HSL	hsl(143, 57%, 35%)
HSV	hsv(143, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 45.1%, 44.3%)
CIE-LAB	lab(52.20, -43.96, 25.87)
CIE-LCH	lch(52.20, 51.01, 149.53°)
OKLab	oklab(57.3% -0.1184 0.0638)
OKLCH	oklch(57.3% 0.134 151.7)
XYZ	xyz(11.8838, 20.3261, 10.5033)
Luminance	0.2033 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E4E #8E2767

analogous

#348E27 #278E4E #278E81

triadic

#278E4E #4E278E #8E4E27

tetradic

#278E4E #27348E #8E2767 #8E8127

square

#278E4E #27348E #8E2767 #8E8127

split-complementary

#278E4E #81278E #8E2734

monochromatic

#0D2E19 #1A5E34 #278E4E #34BE68 #5DD289

Accessibility & contrast

On white

4.15

#278E4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#278E4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E4E

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E4E	#FFFFFF	#000000	##000000
##278E4E	1.00	4.15	5.07	5.07
#FFFFFF	4.15	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)

#8E8249

Deuteranopia (green-blind)

#827952

Tritanopia (blue-blind)

#008C7E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #278e4e;
/* rgb */ color: rgb(39, 142, 78);
/* oklch */ color: oklch(57.3% 0.134 151.7);

Tailwind

colors: {
  custom: {
    50: '#70b080',
    500: '#278e4e',
    950: '#000000',
  },
}

SCSS

$custom: #278e4e;
$custom-light: #70b080;
$custom-dark: #000000;

JSON

{
  "hex": "#278e4e",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 78
  },
  "hsl": {
    "h": 142.718,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57305,
    "c": 0.13447,
    "h": 151.7
  },
  "luminance": 0.20327
}

Semantic roles & 50–950 ramp

primary

#278E4E

secondary

#B85994

accent

#48A6E0

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #278E4E

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

Preview Lab → · Contrast checker → · Palette generator →