#218D40#218D40

#218D40 is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.7% C 0.148 H 148.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#218D40
RGB	rgb(33, 141, 64)
HSL	hsl(137, 62%, 34%)
HSV	hsv(137, 77%, 55%)
CMYK	cmyk(76.6%, 0%, 54.6%, 44.7%)
CIE-LAB	lab(51.54, -46.91, 32.42)
CIE-LCH	lch(51.54, 57.03, 145.35°)
OKLab	oklab(56.66% -0.1262 0.0779)
OKLCH	oklch(56.66% 0.148 148.3)
XYZ	xyz(11.0766, 19.7420, 8.0763)
Luminance	0.1974 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D40 #8D216E

analogous

#388D21 #218D40 #218D76

triadic

#218D40 #40218D #8D4021

tetradic

#218D40 #21388D #8D216E #8D7621

square

#218D40 #21388D #8D216E #8D7621

split-complementary

#218D40 #76218D #8D2138

monochromatic

#0A2A13 #155B29 #218D40 #2DBF57 #52D678

Accessibility & contrast

On white

4.24

#218D40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#218D40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D40

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D40	#FFFFFF	#000000	##000000
##218D40	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8039

Deuteranopia (green-blind)

#827746

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218d40;
/* rgb */ color: rgb(33, 141, 64);
/* oklch */ color: oklch(56.7% 0.148 148.3);

Tailwind

colors: {
  custom: {
    50: '#6eaf77',
    500: '#218d40',
    950: '#000000',
  },
}

SCSS

$custom: #218d40;
$custom-light: #6eaf77;
$custom-dark: #000000;

JSON

{
  "hex": "#218d40",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 64
  },
  "hsl": {
    "h": 137.222,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.56659,
    "c": 0.1483,
    "h": 148.3
  },
  "luminance": 0.19743
}

Semantic roles & 50–950 ramp

primary

#218D40

secondary

#BA509B

accent

#43B7E5

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #218D40

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

Preview Lab → · Contrast checker → · Palette generator →