#166C21#166C21

#166C21 is a mid, vivid green. Relative luminance 0.110; OKLCH L 46.6% C 0.135 H 144.7°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#166C21
RGB	rgb(22, 108, 33)
HSL	hsl(128, 66%, 25%)
HSV	hsv(128, 80%, 42%)
CMYK	cmyk(79.6%, 0%, 69.4%, 57.6%)
CIE-LAB	lab(39.59, -40.88, 33.81)
CIE-LCH	lch(39.59, 53.05, 140.40°)
OKLab	oklab(46.57% -0.1104 0.0783)
OKLCH	oklch(46.57% 0.135 144.7)
XYZ	xyz(5.9675, 11.0048, 3.2482)
Luminance	0.1101 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166C21 #6C1661

analogous

#366C16 #166C21 #166C4C

triadic

#166C21 #21166C #6C2116

tetradic

#166C21 #16366C #6C1661 #6C4C16

square

#166C21 #16366C #6C1661 #6C4C16

split-complementary

#166C21 #4C166C #6C1636

monochromatic

#051908 #0C3911 #166C21 #209F31 #2BD240

Accessibility & contrast

On white

6.56

#166C21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#166C21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166C21

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166C21	#FFFFFF	#000000	##FFFFFF
##166C21	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6117

Deuteranopia (green-blind)

#645B28

Tritanopia (blue-blind)

#00695D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #166c21;
/* rgb */ color: rgb(22, 108, 33);
/* oklch */ color: oklch(46.6% 0.135 144.7);

Tailwind

colors: {
  custom: {
    50: '#639760',
    500: '#166c21',
    950: '#000000',
  },
}

SCSS

$custom: #166c21;
$custom-light: #639760;
$custom-dark: #000000;

JSON

{
  "hex": "#166c21",
  "rgb": {
    "r": 22,
    "g": 108,
    "b": 33
  },
  "hsl": {
    "h": 127.674,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.46573,
    "c": 0.13534,
    "h": 144.7
  },
  "luminance": 0.11006
}

Semantic roles & 50–950 ramp

primary

#166C21

secondary

#A23C95

accent

#3FD3E9

background

#F6F9F5

surface

#EBF2EA

border

#C6CCC6

text

#060D05

muted

#7A7E79

Preview Lab

Preview with #166C21

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

Preview Lab → · Contrast checker → · Palette generator →