#218C1B#218C1B

#218C1B is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.0% C 0.174 H 142.3°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#218C1B
RGB	rgb(33, 140, 27)
HSL	hsl(117, 68%, 33%)
HSV	hsv(117, 81%, 55%)
CMYK	cmyk(76.4%, 0%, 80.7%, 45.1%)
CIE-LAB	lab(50.87, -50.61, 47.74)
CIE-LCH	lch(50.87, 69.57, 136.67°)
OKLab	oklab(55.99% -0.1377 0.1065)
OKLCH	oklch(55.99% 0.174 142.3)
XYZ	xyz(10.2025, 19.1575, 4.1968)
Luminance	0.1916 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C1B #861B8C

analogous

#5A8C1B #218C1B #1B8C4D

triadic

#218C1B #1B218C #8C1B21

tetradic

#218C1B #1B5A8C #861B8C #8C4D1B

square

#218C1B #1B5A8C #861B8C #8C4D1B

split-complementary

#218C1B #4D1B8C #8C1B5A

monochromatic

#092507 #155911 #218C1B #2DBF25 #4EDB46

Accessibility & contrast

On white

4.35

#218C1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#218C1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C1B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C1B	#FFFFFF	#000000	##000000
##218C1B	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#837629

Tritanopia (blue-blind)

#008877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #218c1b;
/* rgb */ color: rgb(33, 140, 27);
/* oklch */ color: oklch(56.0% 0.174 142.3);

Tailwind

colors: {
  custom: {
    50: '#70af61',
    500: '#218c1b',
    950: '#000000',
  },
}

SCSS

$custom: #218c1b;
$custom-light: #70af61;
$custom-dark: #000000;

JSON

{
  "hex": "#218c1b",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 27
  },
  "hsl": {
    "h": 116.814,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.55992,
    "c": 0.17407,
    "h": 142.3
  },
  "luminance": 0.19159
}

Semantic roles & 50–950 ramp

primary

#218C1B

secondary

#B746BD

accent

#3DEBE1

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091005

muted

#7B7F7A

Preview Lab

Preview with #218C1B

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

Preview Lab → · Contrast checker → · Palette generator →