#278C41#278C41

#278C41 is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.5% C 0.144 H 148.0°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#278C41
RGB	rgb(39, 140, 65)
HSL	hsl(135, 56%, 35%)
HSV	hsv(135, 72%, 55%)
CMYK	cmyk(72.1%, 0%, 53.6%, 45.1%)
CIE-LAB	lab(51.35, -45.38, 31.69)
CIE-LCH	lch(51.35, 55.35, 145.07°)
OKLab	oklab(56.53% -0.1222 0.0764)
OKLCH	oklch(56.53% 0.144 148)
XYZ	xyz(11.1681, 19.5679, 8.1884)
Luminance	0.1957 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C41 #8C2772

analogous

#3F8C27 #278C41 #278C74

triadic

#278C41 #41278C #8C4127

tetradic

#278C41 #273F8C #8C2772 #8C7427

square

#278C41 #273F8C #8C2772 #8C7427

split-complementary

#278C41 #74278C #8C273F

monochromatic

#0C2C15 #1A5C2B #278C41 #34BC57 #5CD27A

Accessibility & contrast

On white

4.27

#278C41 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#278C41 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C41

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C41	#FFFFFF	#000000	##000000
##278C41	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7F3A

Deuteranopia (green-blind)

#817747

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278c41;
/* rgb */ color: rgb(39, 140, 65);
/* oklch */ color: oklch(56.5% 0.144 148.0);

Tailwind

colors: {
  custom: {
    50: '#70af77',
    500: '#278c41',
    950: '#000000',
  },
}

SCSS

$custom: #278c41;
$custom-light: #70af77;
$custom-dark: #000000;

JSON

{
  "hex": "#278c41",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 65
  },
  "hsl": {
    "h": 135.446,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56534,
    "c": 0.14413,
    "h": 148
  },
  "luminance": 0.19569
}

Semantic roles & 50–950 ramp

primary

#278C41

secondary

#B7589E

accent

#48B9E0

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #278C41

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

Preview Lab → · Contrast checker → · Palette generator →