#218B40#218B40

#218B40 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.1% C 0.146 H 148.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#218B40
RGB	rgb(33, 139, 64)
HSL	hsl(138, 62%, 34%)
HSV	hsv(138, 76%, 55%)
CMYK	cmyk(76.3%, 0%, 54%, 45.5%)
CIE-LAB	lab(50.87, -46.18, 31.60)
CIE-LCH	lch(50.87, 55.96, 145.61°)
OKLab	oklab(56.1% -0.1242 0.0761)
OKLCH	oklch(56.1% 0.146 148.5)
XYZ	xyz(10.7844, 19.1575, 7.9789)
Luminance	0.1916 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218B40 #8B216C

analogous

#378B21 #218B40 #218B75

triadic

#218B40 #40218B #8B4021

tetradic

#218B40 #21378B #8B216C #8B7521

square

#218B40 #21378B #8B216C #8B7521

split-complementary

#218B40 #75218B #8B2137

monochromatic

#0A2812 #155A29 #218B40 #2DBC57 #51D678

Accessibility & contrast

On white

4.35

#218B40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#218B40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B40

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218B40	#FFFFFF	#000000	##000000
##218B40	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7E39

Deuteranopia (green-blind)

#807646

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #218b40;
/* rgb */ color: rgb(33, 139, 64);
/* oklch */ color: oklch(56.1% 0.146 148.5);

Tailwind

colors: {
  custom: {
    50: '#6eae76',
    500: '#218b40',
    950: '#000000',
  },
}

SCSS

$custom: #218b40;
$custom-light: #6eae76;
$custom-dark: #000000;

JSON

{
  "hex": "#218b40",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 64
  },
  "hsl": {
    "h": 137.547,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.56101,
    "c": 0.14566,
    "h": 148.5
  },
  "luminance": 0.19159
}

Semantic roles & 50–950 ramp

primary

#218B40

secondary

#B94F9A

accent

#43B5E5

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #218B40

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

Preview Lab → · Contrast checker → · Palette generator →