#218C21#218C21

#218C21 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.0% C 0.171 H 142.9°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#218C21
RGB	rgb(33, 140, 33)
HSL	hsl(120, 62%, 34%)
HSV	hsv(120, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 76.4%, 45.1%)
CIE-LAB	lab(50.91, -50.17, 45.70)
CIE-LCH	lch(50.91, 67.86, 137.67°)
OKLab	oklab(56.03% -0.1362 0.1031)
OKLCH	oklch(56.03% 0.171 142.9)
XYZ	xyz(10.2792, 19.1881, 4.6005)
Luminance	0.1919 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C21 #8C218C

analogous

#578C21 #218C21 #218C57

triadic

#218C21 #21218C #8C2121

tetradic

#218C21 #21578C #8C218C #8C5721

square

#218C21 #21578C #8C218C #8C5721

split-complementary

#218C21 #57218C #8C2157

monochromatic

#0A290A #155A15 #218C21 #2DBE2D #51D651

Accessibility & contrast

On white

4.34

#218C21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#218C21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C21

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C21	#FFFFFF	#000000	##000000
##218C21	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E0B

Deuteranopia (green-blind)

#83762D

Tritanopia (blue-blind)

#008877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #218c21;
/* rgb */ color: rgb(33, 140, 33);
/* oklch */ color: oklch(56.0% 0.171 142.9);

Tailwind

colors: {
  custom: {
    50: '#6faf64',
    500: '#218c21',
    950: '#000000',
  },
}

SCSS

$custom: #218c21;
$custom-light: #6faf64;
$custom-dark: #000000;

JSON

{
  "hex": "#218c21",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 33
  },
  "hsl": {
    "h": 120,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56033,
    "c": 0.17083,
    "h": 142.9
  },
  "luminance": 0.19189
}

Semantic roles & 50–950 ramp

primary

#218C21

secondary

#B94FB9

accent

#43E5E5

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #218C21

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

Preview Lab → · Contrast checker → · Palette generator →