#218A33#218A33

#218A33 is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.6% C 0.156 H 145.6°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#218A33
RGB	rgb(33, 138, 51)
HSL	hsl(130, 61%, 34%)
HSV	hsv(130, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 63%, 45.9%)
CIE-LAB	lab(50.38, -47.64, 37.48)
CIE-LCH	lch(50.38, 60.62, 141.80°)
OKLab	oklab(55.64% -0.1285 0.088)
OKLCH	oklch(55.64% 0.156 145.6)
XYZ	xyz(10.3125, 18.7381, 6.2047)
Luminance	0.1874 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A33 #8A2178

analogous

#438A21 #218A33 #218A67

triadic

#218A33 #33218A #8A3321

tetradic

#218A33 #21438A #8A2178 #8A6721

square

#218A33 #21438A #8A2178 #8A6721

split-complementary

#218A33 #67218A #8A2143

monochromatic

#09270E #155921 #218A33 #2DBB45 #50D567

Accessibility & contrast

On white

4.42

#218A33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#218A33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A33

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A33	#FFFFFF	#000000	##000000
##218A33	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7D29

Deuteranopia (green-blind)

#80753A

Tritanopia (blue-blind)

#008677

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #218a33;
/* rgb */ color: rgb(33, 138, 51);
/* oklch */ color: oklch(55.6% 0.156 145.6);

Tailwind

colors: {
  custom: {
    50: '#6ead6e',
    500: '#218a33',
    950: '#000000',
  },
}

SCSS

$custom: #218a33;
$custom-light: #6ead6e;
$custom-dark: #000000;

JSON

{
  "hex": "#218a33",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 51
  },
  "hsl": {
    "h": 130.286,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55644,
    "c": 0.15572,
    "h": 145.6
  },
  "luminance": 0.18739
}

Semantic roles & 50–950 ramp

primary

#218A33

secondary

#B94EA6

accent

#43C9E5

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #218A33

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

Preview Lab → · Contrast checker → · Palette generator →