#278F4D#278F4D

#278F4D is a mid, vivid green. Relative luminance 0.206; OKLCH L 57.6% C 0.137 H 151.2°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#278F4D
RGB	rgb(39, 143, 77)
HSL	hsl(142, 57%, 36%)
HSV	hsv(142, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 46.2%, 43.9%)
CIE-LAB	lab(52.52, -44.53, 26.82)
CIE-LCH	lch(52.52, 51.98, 148.94°)
OKLab	oklab(57.56% -0.1199 0.0659)
OKLCH	oklch(57.56% 0.137 151.2)
XYZ	xyz(11.9977, 20.6107, 10.3657)
Luminance	0.2061 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F4D #8F2769

analogous

#358F27 #278F4D #278F81

triadic

#278F4D #4D278F #8F4D27

tetradic

#278F4D #27358F #8F2769 #8F8127

square

#278F4D #27358F #8F2769 #8F8127

split-complementary

#278F4D #81278F #8F2735

monochromatic

#0D2F19 #1A5F33 #278F4D #34BF67 #5DD388

Accessibility & contrast

On white

4.10

#278F4D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#278F4D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F4D

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F4D	#FFFFFF	#000000	##000000
##278F4D	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908348

Deuteranopia (green-blind)

#837A52

Tritanopia (blue-blind)

#008D7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278f4d;
/* rgb */ color: rgb(39, 143, 77);
/* oklch */ color: oklch(57.6% 0.137 151.2);

Tailwind

colors: {
  custom: {
    50: '#70b180',
    500: '#278f4d',
    950: '#000000',
  },
}

SCSS

$custom: #278f4d;
$custom-light: #70b180;
$custom-dark: #000000;

JSON

{
  "hex": "#278f4d",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 77
  },
  "hsl": {
    "h": 141.923,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57562,
    "c": 0.13682,
    "h": 151.2
  },
  "luminance": 0.20612
}

Semantic roles & 50–950 ramp

primary

#278F4D

secondary

#B85A96

accent

#47A8E0

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #278F4D

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

Preview Lab → · Contrast checker → · Palette generator →