#218C55#218C55

#218C55 is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.8% C 0.127 H 155.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#218C55
RGB	rgb(33, 140, 85)
HSL	hsl(149, 62%, 34%)
HSV	hsv(149, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 39.3%, 45.1%)
CIE-LAB	lab(51.54, -42.77, 21.12)
CIE-LCH	lch(51.54, 47.70, 153.72°)
OKLab	oklab(56.76% -0.1154 0.0528)
OKLCH	oklch(56.76% 0.127 155.4)
XYZ	xyz(11.6439, 19.7340, 11.7879)
Luminance	0.1973 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C55 #8C2158

analogous

#228C21 #218C55 #218C8B

triadic

#218C55 #55218C #8C5521

tetradic

#218C55 #21228C #8C2158 #8C8B21

square

#218C55 #21228C #8C2158 #8C8B21

split-complementary

#218C55 #8B218C #8C2122

monochromatic

#0A2919 #155A37 #218C55 #2DBE73 #51D692

Accessibility & contrast

On white

4.24

#218C55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#218C55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C55

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C55	#FFFFFF	#000000	##000000
##218C55	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)

#8B8051

Deuteranopia (green-blind)

#7F7759

Tritanopia (blue-blind)

#008B7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218c55;
/* rgb */ color: rgb(33, 140, 85);
/* oklch */ color: oklch(56.8% 0.127 155.4);

Tailwind

colors: {
  custom: {
    50: '#6dae85',
    500: '#218c55',
    950: '#000000',
  },
}

SCSS

$custom: #218c55;
$custom-light: #6dae85;
$custom-dark: #000000;

JSON

{
  "hex": "#218c55",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 85
  },
  "hsl": {
    "h": 149.159,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56757,
    "c": 0.12694,
    "h": 155.4
  },
  "luminance": 0.19735
}

Semantic roles & 50–950 ramp

primary

#218C55

secondary

#B94F86

accent

#4396E5

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #218C55

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

Preview Lab → · Contrast checker → · Palette generator →