#278E4F#278E4F

#278E4F is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.3% C 0.134 H 152.1°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#278E4F
RGB	rgb(39, 142, 79)
HSL	hsl(143, 57%, 35%)
HSV	hsv(143, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 44.4%, 44.3%)
CIE-LAB	lab(52.22, -43.78, 25.35)
CIE-LCH	lch(52.22, 50.59, 149.93°)
OKLab	oklab(57.32% -0.1179 0.0626)
OKLCH	oklch(57.32% 0.134 152.1)
XYZ	xyz(11.9200, 20.3405, 10.6935)
Luminance	0.2034 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E4F #8E2766

analogous

#328E27 #278E4F #278E82

triadic

#278E4F #4F278E #8E4F27

tetradic

#278E4F #27328E #8E2766 #8E8227

square

#278E4F #27328E #8E2766 #8E8227

split-complementary

#278E4F #82278E #8E2732

monochromatic

#0D2E1A #1A5E34 #278E4F #34BE6A #5DD28B

Accessibility & contrast

On white

4.14

#278E4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#278E4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E4F

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E4F	#FFFFFF	#000000	##000000
##278E4F	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E824A

Deuteranopia (green-blind)

#827953

Tritanopia (blue-blind)

#008C7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278e4f;
/* rgb */ color: rgb(39, 142, 79);
/* oklch */ color: oklch(57.3% 0.134 152.1);

Tailwind

colors: {
  custom: {
    50: '#70b081',
    500: '#278e4f',
    950: '#000000',
  },
}

SCSS

$custom: #278e4f;
$custom-light: #70b081;
$custom-dark: #000000;

JSON

{
  "hex": "#278e4f",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 79
  },
  "hsl": {
    "h": 143.301,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57324,
    "c": 0.1335,
    "h": 152.1
  },
  "luminance": 0.20342
}

Semantic roles & 50–950 ramp

primary

#278E4F

secondary

#B85993

accent

#48A5E0

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #278E4F

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

Preview Lab → · Contrast checker → · Palette generator →