#278B2D#278B2D

#278B2D is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.0% C 0.160 H 143.9°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#278B2D
RGB	rgb(39, 139, 45)
HSL	hsl(124, 56%, 35%)
HSV	hsv(124, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 67.6%, 45.5%)
CIE-LAB	lab(50.79, -47.64, 40.73)
CIE-LCH	lch(50.79, 62.67, 139.47°)
OKLab	oklab(56% -0.129 0.0942)
OKLCH	oklch(56% 0.16 143.9)
XYZ	xyz(10.5423, 19.0849, 5.6103)
Luminance	0.1909 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B2D #8B2785

analogous

#538B27 #278B2D #278B5F

triadic

#278B2D #2D278B #8B2D27

tetradic

#278B2D #27538B #8B2785 #8B5F27

square

#278B2D #27538B #8B2785 #8B5F27

split-complementary

#278B2D #5F278B #8B2753

monochromatic

#0C2B0E #1A5B1E #278B2D #34BB3C #5BD162

Accessibility & contrast

On white

4.36

#278B2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#278B2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B2D

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B2D	#FFFFFF	#000000	##000000
##278B2D	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E21

Deuteranopia (green-blind)

#827636

Tritanopia (blue-blind)

#038778

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278b2d;
/* rgb */ color: rgb(39, 139, 45);
/* oklch */ color: oklch(56.0% 0.160 143.9);

Tailwind

colors: {
  custom: {
    50: '#71ae6a',
    500: '#278b2d',
    950: '#000000',
  },
}

SCSS

$custom: #278b2d;
$custom-light: #71ae6a;
$custom-dark: #000000;

JSON

{
  "hex": "#278b2d",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 45
  },
  "hsl": {
    "h": 123.6,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55999,
    "c": 0.15976,
    "h": 143.9
  },
  "luminance": 0.19086
}

Semantic roles & 50–950 ramp

primary

#278B2D

secondary

#B658B0

accent

#48D6DF

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #278B2D

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

Preview Lab → · Contrast checker → · Palette generator →