#21813B#21813B

#21813B is a mid, vivid green. Relative luminance 0.163; OKLCH L 53.2% C 0.137 H 148.2°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#21813B
RGB	rgb(33, 129, 59)
HSL	hsl(136, 59%, 32%)
HSV	hsv(136, 74%, 51%)
CMYK	cmyk(74.4%, 0%, 54.3%, 49.4%)
CIE-LAB	lab(47.42, -43.22, 29.98)
CIE-LCH	lch(47.42, 52.60, 145.25°)
OKLab	oklab(53.22% -0.1163 0.0722)
OKLCH	oklch(53.22% 0.137 148.2)
XYZ	xyz(9.2662, 16.3386, 6.8021)
Luminance	0.1634 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21813B #812167

analogous

#378121 #21813B #21816B

triadic

#21813B #3B2181 #813B21

tetradic

#21813B #213781 #812167 #816B21

square

#21813B #213781 #812167 #816B21

split-complementary

#21813B #6B2181 #812137

monochromatic

#08200E #155025 #21813B #2DB251 #4BD170

Accessibility & contrast

On white

4.92

#21813B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#21813B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21813B

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21813B	#FFFFFF	#000000	##FFFFFF
##21813B	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827535

Deuteranopia (green-blind)

#776D40

Tritanopia (blue-blind)

#007E71

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #21813b;
/* rgb */ color: rgb(33, 129, 59);
/* oklch */ color: oklch(53.2% 0.137 148.2);

Tailwind

colors: {
  custom: {
    50: '#6ba672',
    500: '#21813b',
    950: '#000000',
  },
}

SCSS

$custom: #21813b;
$custom-light: #6ba672;
$custom-dark: #000000;

JSON

{
  "hex": "#21813b",
  "rgb": {
    "r": 33,
    "g": 129,
    "b": 59
  },
  "hsl": {
    "h": 136.25,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.5322,
    "c": 0.13692,
    "h": 148.2
  },
  "luminance": 0.1634
}

Semantic roles & 50–950 ramp

primary

#21813B

secondary

#B44A97

accent

#45B8E2

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#080F08

muted

#7A7F7B

Preview Lab

Preview with #21813B

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

Preview Lab → · Contrast checker → · Palette generator →