#278E4A#278E4A

#278E4A is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.2% C 0.138 H 150.4°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#278E4A
RGB	rgb(39, 142, 74)
HSL	hsl(140, 57%, 35%)
HSV	hsv(140, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 47.9%, 44.3%)
CIE-LAB	lab(52.14, -44.67, 27.94)
CIE-LCH	lch(52.14, 52.69, 147.97°)
OKLab	oklab(57.23% -0.1203 0.0684)
OKLCH	oklch(57.23% 0.138 150.4)
XYZ	xyz(11.7448, 20.2704, 9.7709)
Luminance	0.2027 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E4A #8E276B

analogous

#388E27 #278E4A #278E7D

triadic

#278E4A #4A278E #8E4A27

tetradic

#278E4A #27388E #8E276B #8E7D27

square

#278E4A #27388E #8E276B #8E7D27

split-complementary

#278E4A #7D278E #8E2738

monochromatic

#0D2E18 #1A5E31 #278E4A #34BE63 #5DD285

Accessibility & contrast

On white

4.15

#278E4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#278E4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E4A

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E4A	#FFFFFF	#000000	##000000
##278E4A	1.00	4.15	5.05	5.05
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8245

Deuteranopia (green-blind)

#82794F

Tritanopia (blue-blind)

#008C7E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #278e4a;
/* rgb */ color: rgb(39, 142, 74);
/* oklch */ color: oklch(57.2% 0.138 150.4);

Tailwind

colors: {
  custom: {
    50: '#70b07d',
    500: '#278e4a',
    950: '#000000',
  },
}

SCSS

$custom: #278e4a;
$custom-light: #70b07d;
$custom-dark: #000000;

JSON

{
  "hex": "#278e4a",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 74
  },
  "hsl": {
    "h": 140.388,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57233,
    "c": 0.13834,
    "h": 150.4
  },
  "luminance": 0.20272
}

Semantic roles & 50–950 ramp

primary

#278E4A

secondary

#B85998

accent

#48ACE0

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #278E4A

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

Preview Lab → · Contrast checker → · Palette generator →