#218D4B#218D4B

#218D4B is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.8% C 0.138 H 151.5°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#218D4B
RGB	rgb(33, 141, 75)
HSL	hsl(143, 62%, 34%)
HSV	hsv(143, 77%, 55%)
CMYK	cmyk(76.6%, 0%, 46.8%, 44.7%)
CIE-LAB	lab(51.70, -45.08, 26.82)
CIE-LCH	lch(51.70, 52.46, 149.25°)
OKLab	oklab(56.84% -0.1212 0.0658)
OKLCH	oklch(56.84% 0.138 151.5)
XYZ	xyz(11.4211, 19.8797, 9.8905)
Luminance	0.1988 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D4B #8D2163

analogous

#2D8D21 #218D4B #218D81

triadic

#218D4B #4B218D #8D4B21

tetradic

#218D4B #212D8D #8D2163 #8D8121

square

#218D4B #212D8D #8D2163 #8D8121

split-complementary

#218D4B #81218D #8D212D

monochromatic

#0A2A16 #155B31 #218D4B #2DBF65 #52D685

Accessibility & contrast

On white

4.22

#218D4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#218D4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D4B

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D4B	#FFFFFF	#000000	##000000
##218D4B	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8146

Deuteranopia (green-blind)

#817850

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218d4b;
/* rgb */ color: rgb(33, 141, 75);
/* oklch */ color: oklch(56.8% 0.138 151.5);

Tailwind

colors: {
  custom: {
    50: '#6eaf7e',
    500: '#218d4b',
    950: '#000000',
  },
}

SCSS

$custom: #218d4b;
$custom-light: #6eaf7e;
$custom-dark: #000000;

JSON

{
  "hex": "#218d4b",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 75
  },
  "hsl": {
    "h": 143.333,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.56839,
    "c": 0.13796,
    "h": 151.5
  },
  "luminance": 0.19881
}

Semantic roles & 50–950 ramp

primary

#218D4B

secondary

#BA5091

accent

#43A6E5

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #218D4B

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

Preview Lab → · Contrast checker → · Palette generator →