#218C3F#218C3F

#218C3F is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.148 H 148.1°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#218C3F
RGB	rgb(33, 140, 63)
HSL	hsl(137, 62%, 34%)
HSV	hsv(137, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 55%, 45.1%)
CIE-LAB	lab(51.19, -46.70, 32.51)
CIE-LCH	lch(51.19, 56.90, 145.16°)
OKLab	oklab(56.36% -0.1256 0.0781)
OKLCH	oklch(56.36% 0.148 148.1)
XYZ	xyz(10.9016, 19.4371, 7.8789)
Luminance	0.1944 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C3F #8C216E

analogous

#398C21 #218C3F #218C75

triadic

#218C3F #3F218C #8C3F21

tetradic

#218C3F #21398C #8C216E #8C7521

square

#218C3F #21398C #8C216E #8C7521

split-complementary

#218C3F #75218C #8C2139

monochromatic

#0A2912 #155A29 #218C3F #2DBE55 #51D677

Accessibility & contrast

On white

4.30

#218C3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#218C3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C3F

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C3F	#FFFFFF	#000000	##000000
##218C3F	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7F38

Deuteranopia (green-blind)

#817745

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #218c3f;
/* rgb */ color: rgb(33, 140, 63);
/* oklch */ color: oklch(56.4% 0.148 148.1);

Tailwind

colors: {
  custom: {
    50: '#6eaf76',
    500: '#218c3f',
    950: '#000000',
  },
}

SCSS

$custom: #218c3f;
$custom-light: #6eaf76;
$custom-dark: #000000;

JSON

{
  "hex": "#218c3f",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 63
  },
  "hsl": {
    "h": 136.822,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56365,
    "c": 0.14789,
    "h": 148.1
  },
  "luminance": 0.19438
}

Semantic roles & 50–950 ramp

primary

#218C3F

secondary

#B94F9C

accent

#43B7E5

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #218C3F

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

Preview Lab → · Contrast checker → · Palette generator →