#218B4B#218B4B

#218B4B is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.135 H 151.8°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#218B4B
RGB	rgb(33, 139, 75)
HSL	hsl(144, 62%, 34%)
HSV	hsv(144, 76%, 55%)
CMYK	cmyk(76.3%, 0%, 46%, 45.5%)
CIE-LAB	lab(51.03, -44.32, 25.96)
CIE-LCH	lch(51.03, 51.36, 149.64°)
OKLab	oklab(56.29% -0.1192 0.0639)
OKLCH	oklch(56.29% 0.135 151.8)
XYZ	xyz(11.1288, 19.2953, 9.7931)
Luminance	0.1930 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218B4B #8B2161

analogous

#2C8B21 #218B4B #218B80

triadic

#218B4B #4B218B #8B4B21

tetradic

#218B4B #212C8B #8B2161 #8B8021

square

#218B4B #212C8B #8B2161 #8B8021

split-complementary

#218B4B #80218B #8B212C

monochromatic

#0A2816 #155A30 #218B4B #2DBC66 #51D685

Accessibility & contrast

On white

4.32

#218B4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#218B4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B4B

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218B4B	#FFFFFF	#000000	##000000
##218B4B	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F46

Deuteranopia (green-blind)

#7F764F

Tritanopia (blue-blind)

#00897C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #218b4b;
/* rgb */ color: rgb(33, 139, 75);
/* oklch */ color: oklch(56.3% 0.135 151.8);

Tailwind

colors: {
  custom: {
    50: '#6dae7e',
    500: '#218b4b',
    950: '#000000',
  },
}

SCSS

$custom: #218b4b;
$custom-light: #6dae7e;
$custom-dark: #000000;

JSON

{
  "hex": "#218b4b",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 75
  },
  "hsl": {
    "h": 143.774,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.56286,
    "c": 0.13525,
    "h": 151.8
  },
  "luminance": 0.19297
}

Semantic roles & 50–950 ramp

primary

#218B4B

secondary

#B94F8F

accent

#43A5E5

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #218B4B

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

Preview Lab → · Contrast checker → · Palette generator →