#218B21#218B21

#218B21 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.170 H 142.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#218B21
RGB	rgb(33, 139, 33)
HSL	hsl(120, 62%, 34%)
HSV	hsv(120, 76%, 55%)
CMYK	cmyk(76.3%, 0%, 76.3%, 45.5%)
CIE-LAB	lab(50.57, -49.84, 45.36)
CIE-LCH	lch(50.57, 67.39, 137.69°)
OKLab	oklab(55.75% -0.1353 0.1024)
OKLCH	oklch(55.75% 0.17 142.9)
XYZ	xyz(10.1337, 18.8972, 4.5520)
Luminance	0.1890 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218B21 #8B218B

analogous

#568B21 #218B21 #218B56

triadic

#218B21 #21218B #8B2121

tetradic

#218B21 #21568B #8B218B #8B5621

square

#218B21 #21568B #8B218B #8B5621

split-complementary

#218B21 #56218B #8B2156

monochromatic

#0A280A #155A15 #218B21 #2DBC2D #51D651

Accessibility & contrast

On white

4.39

#218B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#218B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B21

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218B21	#FFFFFF	#000000	##000000
##218B21	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D0C

Deuteranopia (green-blind)

#82752C

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #218b21;
/* rgb */ color: rgb(33, 139, 33);
/* oklch */ color: oklch(55.8% 0.170 142.9);

Tailwind

colors: {
  custom: {
    50: '#6fae64',
    500: '#218b21',
    950: '#000000',
  },
}

SCSS

$custom: #218b21;
$custom-light: #6fae64;
$custom-dark: #000000;

JSON

{
  "hex": "#218b21",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 33
  },
  "hsl": {
    "h": 120,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.55751,
    "c": 0.16967,
    "h": 142.9
  },
  "luminance": 0.18898
}

Semantic roles & 50–950 ramp

primary

#218B21

secondary

#B94FB9

accent

#43E5E5

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #218B21

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

Preview Lab → · Contrast checker → · Palette generator →