#639999#639999

#639999 is a light, muted teal. Relative luminance 0.277; OKLCH L 64.5% C 0.057 H 195.8°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#639999
RGB	rgb(99, 153, 153)
HSL	hsl(180, 21%, 49%)
HSV	hsv(180, 35%, 60%)
CMYK	cmyk(35.3%, 0%, 0%, 40%)
CIE-LAB	lab(59.65, -17.75, -5.67)
CIE-LCH	lch(59.65, 18.64, 197.71°)
OKLab	oklab(64.55% -0.055 -0.0156)
OKLCH	oklch(64.55% 0.057 195.8)
XYZ	xyz(22.2845, 27.7336, 34.3097)
Luminance	0.2773 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639999 #996363

analogous

#63997E #639999 #637E99

triadic

#639999 #996399 #999963

tetradic

#639999 #7E6399 #996363 #7E9963

square

#639999 #7E6399 #996363 #7E9963

split-complementary

#639999 #99637E #997E63

monochromatic

#334F4F #4B7474 #639999 #88B2B2 #ADCACA

Accessibility & contrast

On white

3.21

#639999 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#639999 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639999

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639999	#FFFFFF	#000000	##000000
##639999	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929499

Deuteranopia (green-blind)

#888C99

Tritanopia (blue-blind)

#4E9C99

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #639999;
/* rgb */ color: rgb(99, 153, 153);
/* oklch */ color: oklch(64.5% 0.057 195.8);

Tailwind

colors: {
  custom: {
    50: '#92b7b7',
    500: '#639999',
    950: '#000000',
  },
}

SCSS

$custom: #639999;
$custom-light: #92b7b7;
$custom-dark: #000000;

JSON

{
  "hex": "#639999",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 153
  },
  "hsl": {
    "h": 180,
    "s": 21.429,
    "l": 49.412
  },
  "oklch": {
    "l": 0.64545,
    "c": 0.05715,
    "h": 195.8
  },
  "luminance": 0.27735
}

Semantic roles & 50–950 ramp

primary

#639999

secondary

#B89F9F

accent

#6A6ABE

background

#F9FBFB

surface

#F1F6F6

border

#CBD0D0

text

#0D1111

muted

#7E8080

Preview Lab

Preview with #639999

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

Preview Lab → · Contrast checker → · Palette generator →