#218D3F#218D3F

#218D3F is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.6% C 0.149 H 148.0°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#218D3F
RGB	rgb(33, 141, 63)
HSL	hsl(137, 62%, 34%)
HSV	hsv(137, 77%, 55%)
CMYK	cmyk(76.6%, 0%, 55.3%, 44.7%)
CIE-LAB	lab(51.53, -47.06, 32.92)
CIE-LCH	lch(51.53, 57.43, 145.03°)
OKLab	oklab(56.64% -0.1266 0.079)
OKLCH	oklch(56.64% 0.149 148)
XYZ	xyz(11.0484, 19.7307, 7.9278)
Luminance	0.1973 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D3F #8D216F

analogous

#398D21 #218D3F #218D75

triadic

#218D3F #3F218D #8D3F21

tetradic

#218D3F #21398D #8D216F #8D7521

square

#218D3F #21398D #8D216F #8D7521

split-complementary

#218D3F #75218D #8D2139

monochromatic

#0A2A13 #155B29 #218D3F #2DBF55 #52D677

Accessibility & contrast

On white

4.25

#218D3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#218D3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D3F

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D3F	#FFFFFF	#000000	##000000
##218D3F	1.00	4.25	4.95	4.95
#FFFFFF	4.25	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)

#8E8038

Deuteranopia (green-blind)

#827745

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218d3f;
/* rgb */ color: rgb(33, 141, 63);
/* oklch */ color: oklch(56.6% 0.149 148.0);

Tailwind

colors: {
  custom: {
    50: '#6eaf76',
    500: '#218d3f',
    950: '#000000',
  },
}

SCSS

$custom: #218d3f;
$custom-light: #6eaf76;
$custom-dark: #000000;

JSON

{
  "hex": "#218d3f",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 63
  },
  "hsl": {
    "h": 136.667,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.56644,
    "c": 0.1492,
    "h": 148
  },
  "luminance": 0.19732
}

Semantic roles & 50–950 ramp

primary

#218D3F

secondary

#BA509C

accent

#43B8E5

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #218D3F

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

Preview Lab → · Contrast checker → · Palette generator →