#218B2B#218B2B

#218B2B is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.8% C 0.163 H 144.2°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#218B2B
RGB	rgb(33, 139, 43)
HSL	hsl(126, 62%, 34%)
HSV	hsv(126, 76%, 55%)
CMYK	cmyk(76.3%, 0%, 69.1%, 45.5%)
CIE-LAB	lab(50.64, -48.91, 41.41)
CIE-LCH	lch(50.64, 64.08, 139.75°)
OKLab	oklab(55.84% -0.1323 0.0954)
OKLCH	oklch(55.84% 0.163 144.2)
XYZ	xyz(10.2952, 18.9618, 5.4024)
Luminance	0.1896 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218B2B #8B2181

analogous

#4C8B21 #218B2B #218B60

triadic

#218B2B #2B218B #8B2B21

tetradic

#218B2B #214C8B #8B2181 #8B6021

square

#218B2B #214C8B #8B2181 #8B6021

split-complementary

#218B2B #60218B #8B214C

monochromatic

#0A280C #155A1C #218B2B #2DBC3A #51D65D

Accessibility & contrast

On white

4.38

#218B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#218B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B2B

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218B2B	#FFFFFF	#000000	##000000
##218B2B	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E1E

Deuteranopia (green-blind)

#827534

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #218b2b;
/* rgb */ color: rgb(33, 139, 43);
/* oklch */ color: oklch(55.8% 0.163 144.2);

Tailwind

colors: {
  custom: {
    50: '#6fae69',
    500: '#218b2b',
    950: '#000000',
  },
}

SCSS

$custom: #218b2b;
$custom-light: #6fae69;
$custom-dark: #000000;

JSON

{
  "hex": "#218b2b",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 43
  },
  "hsl": {
    "h": 125.66,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.55838,
    "c": 0.16311,
    "h": 144.2
  },
  "luminance": 0.18963
}

Semantic roles & 50–950 ramp

primary

#218B2B

secondary

#B94FAF

accent

#43D5E5

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #218B2B

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

Preview Lab → · Contrast checker → · Palette generator →