#166B21#166B21

#166B21 is a mid, vivid green. Relative luminance 0.108; OKLCH L 46.3% C 0.134 H 144.7°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#166B21
RGB	rgb(22, 107, 33)
HSL	hsl(128, 66%, 25%)
HSV	hsv(128, 79%, 42%)
CMYK	cmyk(79.4%, 0%, 69.2%, 58%)
CIE-LAB	lab(39.23, -40.52, 33.42)
CIE-LCH	lch(39.23, 52.53, 140.48°)
OKLab	oklab(46.28% -0.1094 0.0774)
OKLCH	oklch(46.28% 0.134 144.7)
XYZ	xyz(5.8627, 10.7951, 3.2132)
Luminance	0.1080 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166B21 #6B1660

analogous

#356B16 #166B21 #166B4B

triadic

#166B21 #21166B #6B2116

tetradic

#166B21 #16356B #6B1660 #6B4B16

square

#166B21 #16356B #6B1660 #6B4B16

split-complementary

#166B21 #4B166B #6B1635

monochromatic

#051908 #0C3811 #166B21 #209E31 #2BD140

Accessibility & contrast

On white

6.65

#166B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#166B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166B21

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166B21	#FFFFFF	#000000	##FFFFFF
##166B21	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6018

Deuteranopia (green-blind)

#635A28

Tritanopia (blue-blind)

#00685C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #166b21;
/* rgb */ color: rgb(22, 107, 33);
/* oklch */ color: oklch(46.3% 0.134 144.7);

Tailwind

colors: {
  custom: {
    50: '#639660',
    500: '#166b21',
    950: '#000000',
  },
}

SCSS

$custom: #166b21;
$custom-light: #639660;
$custom-dark: #000000;

JSON

{
  "hex": "#166b21",
  "rgb": {
    "r": 22,
    "g": 107,
    "b": 33
  },
  "hsl": {
    "h": 127.765,
    "s": 65.891,
    "l": 25.294
  },
  "oklch": {
    "l": 0.46278,
    "c": 0.13407,
    "h": 144.7
  },
  "luminance": 0.10796
}

Semantic roles & 50–950 ramp

primary

#166B21

secondary

#A13B94

accent

#3FD3E9

background

#F6F9F5

surface

#EBF2EA

border

#C6CCC6

text

#060D05

muted

#7A7E79

Preview Lab

Preview with #166B21

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

Preview Lab → · Contrast checker → · Palette generator →