#218A23#218A23

#218A23 is a mid, vivid green. Relative luminance 0.186; OKLCH L 55.5% C 0.167 H 143.1°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#218A23
RGB	rgb(33, 138, 35)
HSL	hsl(121, 61%, 34%)
HSV	hsv(121, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 74.6%, 45.9%)
CIE-LAB	lab(50.24, -49.33, 44.27)
CIE-LCH	lch(50.24, 66.28, 138.10°)
OKLab	oklab(55.48% -0.1338 0.1004)
OKLCH	oklch(55.48% 0.167 143.1)
XYZ	xyz(10.0184, 18.6205, 4.6559)
Luminance	0.1862 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A23 #8A2188

analogous

#538A21 #218A23 #218A57

triadic

#218A23 #23218A #8A2321

tetradic

#218A23 #21538A #8A2188 #8A5721

square

#218A23 #21538A #8A2188 #8A5721

split-complementary

#218A23 #57218A #8A2153

monochromatic

#09270A #155916 #218A23 #2DBB30 #50D553

Accessibility & contrast

On white

4.45

#218A23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#218A23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A23

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A23	#FFFFFF	#000000	##000000
##218A23	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C11

Deuteranopia (green-blind)

#81742E

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #218a23;
/* rgb */ color: rgb(33, 138, 35);
/* oklch */ color: oklch(55.5% 0.167 143.1);

Tailwind

colors: {
  custom: {
    50: '#6fad65',
    500: '#218a23',
    950: '#000000',
  },
}

SCSS

$custom: #218a23;
$custom-light: #6fad65;
$custom-dark: #000000;

JSON

{
  "hex": "#218a23",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 35
  },
  "hsl": {
    "h": 121.143,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55484,
    "c": 0.16729,
    "h": 143.1
  },
  "luminance": 0.18622
}

Semantic roles & 50–950 ramp

primary

#218A23

secondary

#B94EB7

accent

#43E1E5

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #218A23

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

Preview Lab → · Contrast checker → · Palette generator →