#218D21#218D21

#218D21 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.3% C 0.172 H 142.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#218D21
RGB	rgb(33, 141, 33)
HSL	hsl(120, 62%, 34%)
HSV	hsv(120, 77%, 55%)
CMYK	cmyk(76.6%, 0%, 76.6%, 44.7%)
CIE-LAB	lab(51.25, -50.51, 46.04)
CIE-LCH	lch(51.25, 68.34, 137.65°)
OKLab	oklab(56.32% -0.1371 0.1038)
OKLCH	oklch(56.32% 0.172 142.9)
XYZ	xyz(10.4259, 19.4817, 4.6494)
Luminance	0.1948 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D21 #8D218D

analogous

#578D21 #218D21 #218D57

triadic

#218D21 #21218D #8D2121

tetradic

#218D21 #21578D #8D218D #8D5721

square

#218D21 #21578D #8D218D #8D5721

split-complementary

#218D21 #57218D #8D2157

monochromatic

#0A2A0A #155B15 #218D21 #2DBF2D #52D652

Accessibility & contrast

On white

4.29

#218D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#218D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D21

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D21	#FFFFFF	#000000	##000000
##218D21	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F0A

Deuteranopia (green-blind)

#84772D

Tritanopia (blue-blind)

#008978

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #218d21;
/* rgb */ color: rgb(33, 141, 33);
/* oklch */ color: oklch(56.3% 0.172 142.9);

Tailwind

colors: {
  custom: {
    50: '#70af64',
    500: '#218d21',
    950: '#000000',
  },
}

SCSS

$custom: #218d21;
$custom-light: #70af64;
$custom-dark: #000000;

JSON

{
  "hex": "#218d21",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 33
  },
  "hsl": {
    "h": 120,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.56315,
    "c": 0.17197,
    "h": 142.9
  },
  "luminance": 0.19483
}

Semantic roles & 50–950 ramp

primary

#218D21

secondary

#BA50BA

accent

#43E5E5

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #218D21

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

Preview Lab → · Contrast checker → · Palette generator →