#278C3F#278C3F

#278C3F is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.5% C 0.146 H 147.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#278C3F
RGB	rgb(39, 140, 63)
HSL	hsl(134, 56%, 35%)
HSV	hsv(134, 72%, 55%)
CMYK	cmyk(72.1%, 0%, 55%, 45.1%)
CIE-LAB	lab(51.32, -45.69, 32.69)
CIE-LCH	lch(51.32, 56.18, 144.42°)
OKLab	oklab(56.5% -0.1231 0.0785)
OKLCH	oklch(56.5% 0.146 147.5)
XYZ	xyz(11.1112, 19.5452, 7.8887)
Luminance	0.1955 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C3F #8C2774

analogous

#428C27 #278C3F #278C71

triadic

#278C3F #3F278C #8C3F27

tetradic

#278C3F #27428C #8C2774 #8C7127

square

#278C3F #27428C #8C2774 #8C7127

split-complementary

#278C3F #71278C #8C2742

monochromatic

#0C2C14 #1A5C29 #278C3F #34BC55 #5CD278

Accessibility & contrast

On white

4.28

#278C3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#278C3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C3F

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C3F	#FFFFFF	#000000	##000000
##278C3F	1.00	4.28	4.91	4.91
#FFFFFF	4.28	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)

#8E7F38

Deuteranopia (green-blind)

#827745

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278c3f;
/* rgb */ color: rgb(39, 140, 63);
/* oklch */ color: oklch(56.5% 0.146 147.5);

Tailwind

colors: {
  custom: {
    50: '#70af76',
    500: '#278c3f',
    950: '#000000',
  },
}

SCSS

$custom: #278c3f;
$custom-light: #70af76;
$custom-dark: #000000;

JSON

{
  "hex": "#278c3f",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 63
  },
  "hsl": {
    "h": 134.257,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56504,
    "c": 0.14597,
    "h": 147.5
  },
  "luminance": 0.19546
}

Semantic roles & 50–950 ramp

primary

#278C3F

secondary

#B758A0

accent

#48BCE0

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #278C3F

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

Preview Lab → · Contrast checker → · Palette generator →