#639979#639979

#639979 is a light, moderate green. Relative luminance 0.268; OKLCH L 63.6% C 0.075 H 157.4°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#639979
RGB	rgb(99, 153, 121)
HSL	hsl(144, 21%, 49%)
HSV	hsv(144, 35%, 60%)
CMYK	cmyk(35.3%, 0%, 20.9%, 40%)
CIE-LAB	lab(58.80, -25.09, 11.24)
CIE-LCH	lch(58.80, 27.50, 155.87°)
OKLab	oklab(63.59% -0.0695 0.0289)
OKLCH	oklch(63.59% 0.075 157.4)
XYZ	xyz(19.9868, 26.8145, 22.2080)
Luminance	0.2682 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639979 #996383

analogous

#689963 #639979 #639994

triadic

#639979 #796399 #997963

tetradic

#639979 #636899 #996383 #999463

square

#639979 #636899 #996383 #999463

split-complementary

#639979 #946399 #996368

monochromatic

#334F3E #4B745C #639979 #88B299 #ADCAB9

Accessibility & contrast

On white

3.30

#639979 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#639979 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639979

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639979	#FFFFFF	#000000	##000000
##639979	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#989177

Deuteranopia (green-blind)

#8F8B7B

Tritanopia (blue-blind)

#589890

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #639979;
/* rgb */ color: rgb(99, 153, 121);
/* oklch */ color: oklch(63.6% 0.075 157.4);

Tailwind

colors: {
  custom: {
    50: '#91b79f',
    500: '#639979',
    950: '#000000',
  },
}

SCSS

$custom: #639979;
$custom-light: #91b79f;
$custom-dark: #000000;

JSON

{
  "hex": "#639979",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 121
  },
  "hsl": {
    "h": 144.444,
    "s": 21.429,
    "l": 49.412
  },
  "oklch": {
    "l": 0.63586,
    "c": 0.07522,
    "h": 157.4
  },
  "luminance": 0.26816
}

Semantic roles & 50–950 ramp

primary

#639979

secondary

#B89FAE

accent

#6A9CBE

background

#F9FBF9

surface

#F1F6F2

border

#CBD0CC

text

#0D110E

muted

#7E807E

Preview Lab

Preview with #639979

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

Preview Lab → · Contrast checker → · Palette generator →