#166A21#166A21

#166A21 is a mid, vivid green. Relative luminance 0.106; OKLCH L 46.0% C 0.133 H 144.8°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#166A21
RGB	rgb(22, 106, 33)
HSL	hsl(128, 66%, 25%)
HSV	hsv(128, 79%, 42%)
CMYK	cmyk(79.2%, 0%, 68.9%, 58.4%)
CIE-LAB	lab(38.88, -40.16, 33.03)
CIE-LCH	lch(38.88, 52.00, 140.56°)
OKLab	oklab(45.98% -0.1085 0.0766)
OKLCH	oklch(45.98% 0.133 144.8)
XYZ	xyz(5.7590, 10.5878, 3.1787)
Luminance	0.1059 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166A21 #6A165F

analogous

#356A16 #166A21 #166A4B

triadic

#166A21 #21166A #6A2116

tetradic

#166A21 #16356A #6A165F #6A4B16

square

#166A21 #16356A #6A165F #6A4B16

split-complementary

#166A21 #4B166A #6A1635

monochromatic

#051908 #0B3711 #166A21 #219D31 #2BCF41

Accessibility & contrast

On white

6.74

#166A21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#166A21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166A21

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166A21	#FFFFFF	#000000	##FFFFFF
##166A21	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6018

Deuteranopia (green-blind)

#635928

Tritanopia (blue-blind)

#00675B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #166a21;
/* rgb */ color: rgb(22, 106, 33);
/* oklch */ color: oklch(46.0% 0.133 144.8);

Tailwind

colors: {
  custom: {
    50: '#639660',
    500: '#166a21',
    950: '#000000',
  },
}

SCSS

$custom: #166a21;
$custom-light: #639660;
$custom-dark: #000000;

JSON

{
  "hex": "#166a21",
  "rgb": {
    "r": 22,
    "g": 106,
    "b": 33
  },
  "hsl": {
    "h": 127.857,
    "s": 65.625,
    "l": 25.098
  },
  "oklch": {
    "l": 0.45982,
    "c": 0.13279,
    "h": 144.8
  },
  "luminance": 0.10588
}

Semantic roles & 50–950 ramp

primary

#166A21

secondary

#A03B93

accent

#3FD2E9

background

#F6F9F5

surface

#EBF2E9

border

#C6CCC5

text

#060D05

muted

#7A7E79

Preview Lab

Preview with #166A21

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

Preview Lab → · Contrast checker → · Palette generator →