#218C4B#218C4B

#218C4B is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.6% C 0.137 H 151.7°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#218C4B
RGB	rgb(33, 140, 75)
HSL	hsl(144, 62%, 34%)
HSV	hsv(144, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 46.4%, 45.1%)
CIE-LAB	lab(51.37, -44.70, 26.39)
CIE-LCH	lch(51.37, 51.91, 149.44°)
OKLab	oklab(56.56% -0.1202 0.0649)
OKLCH	oklch(56.56% 0.137 151.7)
XYZ	xyz(11.2743, 19.5862, 9.8416)
Luminance	0.1959 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C4B #8C2162

analogous

#2D8C21 #218C4B #218C81

triadic

#218C4B #4B218C #8C4B21

tetradic

#218C4B #212D8C #8C2162 #8C8121

square

#218C4B #212D8C #8C2162 #8C8121

split-complementary

#218C4B #81218C #8C212D

monochromatic

#0A2916 #155A30 #218C4B #2DBE66 #51D685

Accessibility & contrast

On white

4.27

#218C4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#218C4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C4B

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C4B	#FFFFFF	#000000	##000000
##218C4B	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8046

Deuteranopia (green-blind)

#807750

Tritanopia (blue-blind)

#008A7C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #218c4b;
/* rgb */ color: rgb(33, 140, 75);
/* oklch */ color: oklch(56.6% 0.137 151.7);

Tailwind

colors: {
  custom: {
    50: '#6eaf7e',
    500: '#218c4b',
    950: '#000000',
  },
}

SCSS

$custom: #218c4b;
$custom-light: #6eaf7e;
$custom-dark: #000000;

JSON

{
  "hex": "#218c4b",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 75
  },
  "hsl": {
    "h": 143.551,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56563,
    "c": 0.13661,
    "h": 151.7
  },
  "luminance": 0.19587
}

Semantic roles & 50–950 ramp

primary

#218C4B

secondary

#B94F90

accent

#43A5E5

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #218C4B

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

Preview Lab → · Contrast checker → · Palette generator →