#647B49#647B49

#647B49 is a mid, moderate yellow-green. Relative luminance 0.174; OKLCH L 55.2% C 0.078 H 128.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#647B49
RGB	rgb(100, 123, 73)
HSL	hsl(88, 26%, 38%)
HSV	hsv(88, 41%, 48%)
CMYK	cmyk(18.7%, 0%, 40.7%, 51.8%)
CIE-LAB	lab(48.71, -17.76, 24.64)
CIE-LCH	lch(48.71, 30.37, 125.79°)
OKLab	oklab(55.16% -0.0487 0.0606)
OKLCH	oklch(55.16% 0.078 128.8)
XYZ	xyz(13.5409, 17.3561, 8.9387)
Luminance	0.1736 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B49 #60497B

analogous

#7B7949 #647B49 #4B7B49

triadic

#647B49 #49647B #7B4964

tetradic

#647B49 #497B79 #60497B #7B494B

square

#647B49 #497B79 #60497B #7B494B

split-complementary

#647B49 #494B7B #79497B

monochromatic

#262E1B #455532 #647B49 #83A160 #A1B887

Accessibility & contrast

On white

4.70

#647B49 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#647B49 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B49

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B49	#FFFFFF	#000000	##FFFFFF
##647B49	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807545

Deuteranopia (green-blind)

#7C734C

Tritanopia (blue-blind)

#66776F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647b49;
/* rgb */ color: rgb(100, 123, 73);
/* oklch */ color: oklch(55.2% 0.078 128.8);

Tailwind

colors: {
  custom: {
    50: '#91a17c',
    500: '#647b49',
    950: '#000000',
  },
}

SCSS

$custom: #647b49;
$custom-light: #91a17c;
$custom-dark: #000000;

JSON

{
  "hex": "#647b49",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 73
  },
  "hsl": {
    "h": 87.6,
    "s": 25.51,
    "l": 38.431
  },
  "oklch": {
    "l": 0.55159,
    "c": 0.07773,
    "h": 128.8
  },
  "luminance": 0.17356
}

Semantic roles & 50–950 ramp

primary

#647B49

secondary

#8E7CA4

accent

#66C290

background

#F8F9F7

surface

#F0F2EE

border

#CBCCC9

text

#0D0F09

muted

#7D7E7B

Preview Lab

Preview with #647B49

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

Preview Lab → · Contrast checker → · Palette generator →