#278E45#278E45

#278E45 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.1% C 0.143 H 148.9°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#278E45
RGB	rgb(39, 142, 69)
HSL	hsl(137, 57%, 35%)
HSV	hsv(137, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 51.4%, 44.3%)
CIE-LAB	lab(52.07, -45.51, 30.50)
CIE-LCH	lch(52.07, 54.78, 146.17°)
OKLab	oklab(57.15% -0.1225 0.0739)
OKLCH	oklch(57.15% 0.143 148.9)
XYZ	xyz(11.5830, 20.2057, 8.9187)
Luminance	0.2021 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E45 #8E2770

analogous

#3C8E27 #278E45 #278E78

triadic

#278E45 #45278E #8E4527

tetradic

#278E45 #273C8E #8E2770 #8E7827

square

#278E45 #273C8E #8E2770 #8E7827

split-complementary

#278E45 #78278E #8E273C

monochromatic

#0D2E16 #1A5E2E #278E45 #34BE5C #5DD27F

Accessibility & contrast

On white

4.17

#278E45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#278E45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E45

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E45	#FFFFFF	#000000	##000000
##278E45	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F813F

Deuteranopia (green-blind)

#83794A

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #278e45;
/* rgb */ color: rgb(39, 142, 69);
/* oklch */ color: oklch(57.1% 0.143 148.9);

Tailwind

colors: {
  custom: {
    50: '#70b07a',
    500: '#278e45',
    950: '#000000',
  },
}

SCSS

$custom: #278e45;
$custom-light: #70b07a;
$custom-dark: #000000;

JSON

{
  "hex": "#278e45",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 69
  },
  "hsl": {
    "h": 137.476,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.5715,
    "c": 0.14309,
    "h": 148.9
  },
  "luminance": 0.20207
}

Semantic roles & 50–950 ramp

primary

#278E45

secondary

#B8599C

accent

#48B4E0

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#091109

muted

#7B807B

Preview Lab

Preview with #278E45

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

Preview Lab → · Contrast checker → · Palette generator →