#218C56#218C56

#218C56 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.8% C 0.126 H 155.9°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#218C56
RGB	rgb(33, 140, 86)
HSL	hsl(150, 62%, 34%)
HSV	hsv(150, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 38.6%, 45.1%)
CIE-LAB	lab(51.55, -42.57, 20.59)
CIE-LCH	lch(51.55, 47.28, 154.19°)
OKLab	oklab(56.78% -0.115 0.0515)
OKLCH	oklch(56.78% 0.126 155.9)
XYZ	xyz(11.6839, 19.7500, 11.9987)
Luminance	0.1975 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C56 #8C2157

analogous

#218C21 #218C56 #218C8C

triadic

#218C56 #56218C #8C5621

tetradic

#218C56 #21218C #8C2157 #8C8C21

square

#218C56 #21218C #8C2157 #8C8C21

split-complementary

#218C56 #8C218C #8C2121

monochromatic

#0A2919 #155A38 #218C56 #2DBE74 #51D693

Accessibility & contrast

On white

4.24

#218C56 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#218C56 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C56

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C56	#FFFFFF	#000000	##000000
##218C56	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8052

Deuteranopia (green-blind)

#7E775A

Tritanopia (blue-blind)

#008B7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218c56;
/* rgb */ color: rgb(33, 140, 86);
/* oklch */ color: oklch(56.8% 0.126 155.9);

Tailwind

colors: {
  custom: {
    50: '#6dae86',
    500: '#218c56',
    950: '#000000',
  },
}

SCSS

$custom: #218c56;
$custom-light: #6dae86;
$custom-dark: #000000;

JSON

{
  "hex": "#218c56",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 86
  },
  "hsl": {
    "h": 149.72,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56778,
    "c": 0.12598,
    "h": 155.9
  },
  "luminance": 0.19751
}

Semantic roles & 50–950 ramp

primary

#218C56

secondary

#B94F85

accent

#4395E5

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #218C56

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

Preview Lab → · Contrast checker → · Palette generator →