#278E4C#278E4C

#278E4C is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.3% C 0.136 H 151.0°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#278E4C
RGB	rgb(39, 142, 76)
HSL	hsl(142, 57%, 35%)
HSV	hsv(142, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 46.5%, 44.3%)
CIE-LAB	lab(52.17, -44.32, 26.91)
CIE-LCH	lch(52.17, 51.85, 148.74°)
OKLab	oklab(57.27% -0.1193 0.0661)
OKLCH	oklch(57.27% 0.136 151)
XYZ	xyz(11.8132, 20.2978, 10.1314)
Luminance	0.2030 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E4C #8E2769

analogous

#368E27 #278E4C #278E7F

triadic

#278E4C #4C278E #8E4C27

tetradic

#278E4C #27368E #8E2769 #8E7F27

square

#278E4C #27368E #8E2769 #8E7F27

split-complementary

#278E4C #7F278E #8E2736

monochromatic

#0D2E19 #1A5E32 #278E4C #34BE66 #5DD287

Accessibility & contrast

On white

4.15

#278E4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#278E4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E4C

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E4C	#FFFFFF	#000000	##000000
##278E4C	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8247

Deuteranopia (green-blind)

#827951

Tritanopia (blue-blind)

#008C7E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #278e4c;
/* rgb */ color: rgb(39, 142, 76);
/* oklch */ color: oklch(57.3% 0.136 151.0);

Tailwind

colors: {
  custom: {
    50: '#70b07f',
    500: '#278e4c',
    950: '#000000',
  },
}

SCSS

$custom: #278e4c;
$custom-light: #70b07f;
$custom-dark: #000000;

JSON

{
  "hex": "#278e4c",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 76
  },
  "hsl": {
    "h": 141.553,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57269,
    "c": 0.1364,
    "h": 151
  },
  "luminance": 0.20299
}

Semantic roles & 50–950 ramp

primary

#278E4C

secondary

#B85996

accent

#48A9E0

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #278E4C

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

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