#218C4D#218C4D

#218C4D is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.6% C 0.135 H 152.3°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#218C4D
RGB	rgb(33, 140, 77)
HSL	hsl(145, 62%, 34%)
HSV	hsv(145, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 45%, 45.1%)
CIE-LAB	lab(51.40, -44.33, 25.35)
CIE-LCH	lch(51.40, 51.07, 150.24°)
OKLab	oklab(56.6% -0.1193 0.0625)
OKLCH	oklch(56.6% 0.135 152.3)
XYZ	xyz(11.3438, 19.6140, 10.2078)
Luminance	0.1961 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C4D #8C2160

analogous

#2B8C21 #218C4D #218C83

triadic

#218C4D #4D218C #8C4D21

tetradic

#218C4D #212B8C #8C2160 #8C8321

square

#218C4D #212B8C #8C2160 #8C8321

split-complementary

#218C4D #83218C #8C212B

monochromatic

#0A2917 #155A32 #218C4D #2DBE68 #51D688

Accessibility & contrast

On white

4.27

#218C4D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#218C4D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C4D

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C4D	#FFFFFF	#000000	##000000
##218C4D	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8048

Deuteranopia (green-blind)

#807751

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #218c4d;
/* rgb */ color: rgb(33, 140, 77);
/* oklch */ color: oklch(56.6% 0.135 152.3);

Tailwind

colors: {
  custom: {
    50: '#6eaf7f',
    500: '#218c4d',
    950: '#000000',
  },
}

SCSS

$custom: #218c4d;
$custom-light: #6eaf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#218c4d",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 77
  },
  "hsl": {
    "h": 144.673,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56599,
    "c": 0.13468,
    "h": 152.3
  },
  "luminance": 0.19615
}

Semantic roles & 50–950 ramp

primary

#218C4D

secondary

#B94F8E

accent

#43A2E5

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #218C4D

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

Preview Lab → · Contrast checker → · Palette generator →