#21663B#21663B

#21663B is a mid, moderate green. Relative luminance 0.101; OKLCH L 45.5% C 0.098 H 152.6°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#21663B
RGB	rgb(33, 102, 59)
HSL	hsl(143, 51%, 26%)
HSV	hsv(143, 68%, 40%)
CMYK	cmyk(67.6%, 0%, 42.2%, 60%)
CIE-LAB	lab(38.09, -32.24, 18.15)
CIE-LCH	lch(38.09, 37.00, 150.63°)
OKLab	oklab(45.53% -0.0872 0.0452)
OKLCH	oklch(45.53% 0.098 152.6)
XYZ	xyz(6.1675, 10.1412, 5.7692)
Luminance	0.1014 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21663B #66214C

analogous

#2A6621 #21663B #21665E

triadic

#21663B #3B2166 #663B21

tetradic

#21663B #212A66 #66214C #665E21

square

#21663B #212A66 #66214C #665E21

split-complementary

#21663B #5E2166 #66212A

monochromatic

#07170D #123820 #21663B #309456 #40C171

Accessibility & contrast

On white

6.93

#21663B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#21663B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21663B

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21663B	#FFFFFF	#000000	##FFFFFF
##21663B	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D38

Deuteranopia (green-blind)

#5D573E

Tritanopia (blue-blind)

#04655B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #21663b;
/* rgb */ color: rgb(33, 102, 59);
/* oklch */ color: oklch(45.5% 0.098 152.6);

Tailwind

colors: {
  custom: {
    50: '#659271',
    500: '#21663b',
    950: '#000000',
  },
}

SCSS

$custom: #21663b;
$custom-light: #659271;
$custom-dark: #000000;

JSON

{
  "hex": "#21663b",
  "rgb": {
    "r": 33,
    "g": 102,
    "b": 59
  },
  "hsl": {
    "h": 142.609,
    "s": 51.111,
    "l": 26.471
  },
  "oklch": {
    "l": 0.45529,
    "c": 0.09816,
    "h": 152.6
  },
  "luminance": 0.10142
}

Semantic roles & 50–950 ramp

primary

#21663B

secondary

#9A497B

accent

#4DA5DB

background

#F6F9F6

surface

#EBF1EC

border

#C6CBC7

text

#060D07

muted

#7A7E7A

Preview Lab

Preview with #21663B

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

Preview Lab → · Contrast checker → · Palette generator →