#647C78#647C78

#647C78 is a mid, muted teal. Relative luminance 0.185; OKLCH L 56.6% C 0.029 H 184.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#647C78
RGB	rgb(100, 124, 120)
HSL	hsl(170, 11%, 44%)
HSV	hsv(170, 19%, 49%)
CMYK	cmyk(19.4%, 0%, 3.2%, 51.4%)
CIE-LAB	lab(50.07, -9.57, -0.70)
CIE-LCH	lch(50.07, 9.60, 184.21°)
OKLab	oklab(56.6% -0.0285 -0.002)
OKLCH	oklch(56.6% 0.029 184.1)
XYZ	xyz(15.8524, 18.4802, 20.4975)
Luminance	0.1848 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C78 #7C6468

analogous

#647C6C #647C78 #64747C

triadic

#647C78 #78647C #7C7864

tetradic

#647C78 #6C647C #7C6468 #747C64

square

#647C78 #6C647C #7C6468 #747C64

split-complementary

#647C78 #7C6474 #7C6C64

monochromatic

#2D3836 #495A57 #647C78 #839B97 #A4B6B3

Accessibility & contrast

On white

4.47

#647C78 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#647C78 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647C78

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C78	#FFFFFF	#000000	##000000
##647C78	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7978

Deuteranopia (green-blind)

#757678

Tritanopia (blue-blind)

#5E7D7B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #647c78;
/* rgb */ color: rgb(100, 124, 120);
/* oklch */ color: oklch(56.6% 0.029 184.1);

Tailwind

colors: {
  custom: {
    50: '#90a29e',
    500: '#647c78',
    950: '#000000',
  },
}

SCSS

$custom: #647c78;
$custom-light: #90a29e;
$custom-dark: #000000;

JSON

{
  "hex": "#647c78",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 120
  },
  "hsl": {
    "h": 170,
    "s": 10.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56602,
    "c": 0.02857,
    "h": 184.1
  },
  "luminance": 0.18481
}

Semantic roles & 50–950 ramp

primary

#647C78

secondary

#A59799

accent

#747FB4

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0F0E

muted

#7D7E7E

Preview Lab

Preview with #647C78

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

Preview Lab → · Contrast checker → · Palette generator →