#218C51#218C51

#218C51 is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.7% C 0.131 H 153.8°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#218C51
RGB	rgb(33, 140, 81)
HSL	hsl(147, 62%, 34%)
HSV	hsv(147, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 42.1%, 45.1%)
CIE-LAB	lab(51.46, -43.57, 23.24)
CIE-LCH	lch(51.46, 49.38, 151.92°)
OKLab	oklab(56.68% -0.1174 0.0577)
OKLCH	oklch(56.68% 0.131 153.8)
XYZ	xyz(11.4894, 19.6722, 10.9746)
Luminance	0.1967 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C51 #8C215C

analogous

#278C21 #218C51 #218C87

triadic

#218C51 #51218C #8C5121

tetradic

#218C51 #21278C #8C215C #8C8721

square

#218C51 #21278C #8C215C #8C8721

split-complementary

#218C51 #87218C #8C2127

monochromatic

#0A2918 #155A34 #218C51 #2DBE6E #51D68D

Accessibility & contrast

On white

4.26

#218C51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#218C51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C51

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C51	#FFFFFF	#000000	##000000
##218C51	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C804D

Deuteranopia (green-blind)

#7F7755

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218c51;
/* rgb */ color: rgb(33, 140, 81);
/* oklch */ color: oklch(56.7% 0.131 153.8);

Tailwind

colors: {
  custom: {
    50: '#6dae82',
    500: '#218c51',
    950: '#000000',
  },
}

SCSS

$custom: #218c51;
$custom-light: #6dae82;
$custom-dark: #000000;

JSON

{
  "hex": "#218c51",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 81
  },
  "hsl": {
    "h": 146.916,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56676,
    "c": 0.13081,
    "h": 153.8
  },
  "luminance": 0.19674
}

Semantic roles & 50–950 ramp

primary

#218C51

secondary

#B94F8A

accent

#439CE5

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #218C51

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

Preview Lab → · Contrast checker → · Palette generator →