#218A40#218A40

#218A40 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.144 H 148.6°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#218A40
RGB	rgb(33, 138, 64)
HSL	hsl(138, 61%, 34%)
HSV	hsv(138, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 53.6%, 45.9%)
CIE-LAB	lab(50.53, -45.81, 31.19)
CIE-LCH	lch(50.53, 55.42, 145.75°)
OKLab	oklab(55.82% -0.1232 0.0752)
OKLCH	oklch(55.82% 0.144 148.6)
XYZ	xyz(10.6402, 18.8692, 7.9309)
Luminance	0.1887 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A40 #8A216B

analogous

#368A21 #218A40 #218A74

triadic

#218A40 #40218A #8A4021

tetradic

#218A40 #21368A #8A216B #8A7421

square

#218A40 #21368A #8A216B #8A7421

split-complementary

#218A40 #74218A #8A2136

monochromatic

#092712 #155929 #218A40 #2DBB57 #50D577

Accessibility & contrast

On white

4.40

#218A40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#218A40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A40

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A40	#FFFFFF	#000000	##000000
##218A40	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7D3A

Deuteranopia (green-blind)

#7F7546

Tritanopia (blue-blind)

#008779

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #218a40;
/* rgb */ color: rgb(33, 138, 64);
/* oklch */ color: oklch(55.8% 0.144 148.6);

Tailwind

colors: {
  custom: {
    50: '#6dad76',
    500: '#218a40',
    950: '#000000',
  },
}

SCSS

$custom: #218a40;
$custom-light: #6dad76;
$custom-dark: #000000;

JSON

{
  "hex": "#218a40",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 64
  },
  "hsl": {
    "h": 137.714,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55822,
    "c": 0.14434,
    "h": 148.6
  },
  "luminance": 0.1887
}

Semantic roles & 50–950 ramp

primary

#218A40

secondary

#B94E99

accent

#43B5E5

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #218A40

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

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