#218B4D#218B4D

#218B4D is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.133 H 152.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#218B4D
RGB	rgb(33, 139, 77)
HSL	hsl(145, 62%, 34%)
HSV	hsv(145, 76%, 55%)
CMYK	cmyk(76.3%, 0%, 44.6%, 45.5%)
CIE-LAB	lab(51.06, -43.95, 24.91)
CIE-LCH	lch(51.06, 50.52, 150.45°)
OKLab	oklab(56.32% -0.1183 0.0615)
OKLCH	oklch(56.32% 0.133 152.5)
XYZ	xyz(11.1984, 19.3231, 10.1593)
Luminance	0.1932 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218B4D #8B215F

analogous

#2A8B21 #218B4D #218B82

triadic

#218B4D #4D218B #8B4D21

tetradic

#218B4D #212A8B #8B215F #8B8221

square

#218B4D #212A8B #8B215F #8B8221

split-complementary

#218B4D #82218B #8B212A

monochromatic

#0A2816 #155A32 #218B4D #2DBC68 #51D688

Accessibility & contrast

On white

4.32

#218B4D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#218B4D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B4D

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218B4D	#FFFFFF	#000000	##000000
##218B4D	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)

#8B7F48

Deuteranopia (green-blind)

#7F7651

Tritanopia (blue-blind)

#00897C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #218b4d;
/* rgb */ color: rgb(33, 139, 77);
/* oklch */ color: oklch(56.3% 0.133 152.5);

Tailwind

colors: {
  custom: {
    50: '#6dae7f',
    500: '#218b4d',
    950: '#000000',
  },
}

SCSS

$custom: #218b4d;
$custom-light: #6dae7f;
$custom-dark: #000000;

JSON

{
  "hex": "#218b4d",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 77
  },
  "hsl": {
    "h": 144.906,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.56323,
    "c": 0.13331,
    "h": 152.5
  },
  "luminance": 0.19324
}

Semantic roles & 50–950 ramp

primary

#218B4D

secondary

#B94F8D

accent

#43A2E5

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #218B4D

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

Preview Lab → · Contrast checker → · Palette generator →