#278B45#278B45

#278B45 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.139 H 149.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#278B45
RGB	rgb(39, 139, 69)
HSL	hsl(138, 56%, 35%)
HSV	hsv(138, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 50.4%, 45.5%)
CIE-LAB	lab(51.07, -44.36, 29.25)
CIE-LCH	lch(51.07, 53.14, 146.60°)
OKLab	oklab(56.32% -0.1194 0.0711)
OKLCH	oklch(56.32% 0.139 149.2)
XYZ	xyz(11.1426, 19.3250, 8.7719)
Luminance	0.1933 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B45 #8B276D

analogous

#3B8B27 #278B45 #278B77

triadic

#278B45 #45278B #8B4527

tetradic

#278B45 #273B8B #8B276D #8B7727

square

#278B45 #273B8B #8B276D #8B7727

split-complementary

#278B45 #77278B #8B273B

monochromatic

#0C2B16 #1A5B2D #278B45 #34BB5D #5BD17F

Accessibility & contrast

On white

4.32

#278B45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#278B45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B45

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B45	#FFFFFF	#000000	##000000
##278B45	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F3F

Deuteranopia (green-blind)

#80764A

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278b45;
/* rgb */ color: rgb(39, 139, 69);
/* oklch */ color: oklch(56.3% 0.139 149.2);

Tailwind

colors: {
  custom: {
    50: '#70ae7a',
    500: '#278b45',
    950: '#000000',
  },
}

SCSS

$custom: #278b45;
$custom-light: #70ae7a;
$custom-dark: #000000;

JSON

{
  "hex": "#278b45",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 69
  },
  "hsl": {
    "h": 138,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.5632,
    "c": 0.13901,
    "h": 149.2
  },
  "luminance": 0.19326
}

Semantic roles & 50–950 ramp

primary

#278B45

secondary

#B6589A

accent

#48B2DF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #278B45

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

Preview Lab → · Contrast checker → · Palette generator →