#218C40#218C40

#218C40 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.4% C 0.147 H 148.4°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#218C40
RGB	rgb(33, 140, 64)
HSL	hsl(137, 62%, 34%)
HSV	hsv(137, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 54.3%, 45.1%)
CIE-LAB	lab(51.21, -46.55, 32.01)
CIE-LCH	lch(51.21, 56.49, 145.48°)
OKLab	oklab(56.38% -0.1252 0.077)
OKLCH	oklch(56.38% 0.147 148.4)
XYZ	xyz(10.9298, 19.4484, 8.0274)
Luminance	0.1945 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C40 #8C216D

analogous

#388C21 #218C40 #218C76

triadic

#218C40 #40218C #8C4021

tetradic

#218C40 #21388C #8C216D #8C7621

square

#218C40 #21388C #8C216D #8C7621

split-complementary

#218C40 #76218C #8C2138

monochromatic

#0A2913 #155A29 #218C40 #2DBE57 #51D678

Accessibility & contrast

On white

4.29

#218C40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#218C40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C40

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C40	#FFFFFF	#000000	##000000
##218C40	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7F39

Deuteranopia (green-blind)

#817746

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #218c40;
/* rgb */ color: rgb(33, 140, 64);
/* oklch */ color: oklch(56.4% 0.147 148.4);

Tailwind

colors: {
  custom: {
    50: '#6eaf77',
    500: '#218c40',
    950: '#000000',
  },
}

SCSS

$custom: #218c40;
$custom-light: #6eaf77;
$custom-dark: #000000;

JSON

{
  "hex": "#218c40",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 64
  },
  "hsl": {
    "h": 137.383,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.5638,
    "c": 0.14698,
    "h": 148.4
  },
  "luminance": 0.1945
}

Semantic roles & 50–950 ramp

primary

#218C40

secondary

#B94F9B

accent

#43B6E5

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #218C40

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

Preview Lab → · Contrast checker → · Palette generator →