#647C39#647C39

#647C39 is a mid, moderate yellow-green. Relative luminance 0.174; OKLCH L 55.1% C 0.098 H 125.8°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#647C39
RGB	rgb(100, 124, 57)
HSL	hsl(81, 37%, 35%)
HSV	hsv(81, 54%, 49%)
CMYK	cmyk(19.4%, 0%, 54%, 51.4%)
CIE-LAB	lab(48.78, -20.30, 33.38)
CIE-LCH	lch(48.78, 39.07, 121.31°)
OKLab	oklab(55.15% -0.057 0.0791)
OKLCH	oklch(55.15% 0.098 125.8)
XYZ	xyz(13.2017, 17.4199, 6.5370)
Luminance	0.1742 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C39 #51397C

analogous

#7C7339 #647C39 #427C39

triadic

#647C39 #39647C #7C3964

tetradic

#647C39 #397C73 #51397C #7C3942

square

#647C39 #397C73 #51397C #7C3942

split-complementary

#647C39 #39427C #73397C

monochromatic

#202812 #425226 #647C39 #86A64C #A3BE71

Accessibility & contrast

On white

4.68

#647C39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#647C39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C39

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C39	#FFFFFF	#000000	##FFFFFF
##647C39	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827533

Deuteranopia (green-blind)

#7F743D

Tritanopia (blue-blind)

#68776D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647c39;
/* rgb */ color: rgb(100, 124, 57);
/* oklch */ color: oklch(55.1% 0.098 125.8);

Tailwind

colors: {
  custom: {
    50: '#92a271',
    500: '#647c39',
    950: '#000000',
  },
}

SCSS

$custom: #647c39;
$custom-light: #92a271;
$custom-dark: #000000;

JSON

{
  "hex": "#647c39",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 57
  },
  "hsl": {
    "h": 81.493,
    "s": 37.017,
    "l": 35.49
  },
  "oklch": {
    "l": 0.55148,
    "c": 0.09752,
    "h": 125.8
  },
  "luminance": 0.1742
}

Semantic roles & 50–950 ramp

primary

#647C39

secondary

#806AA7

accent

#5BCD84

background

#F9F9F6

surface

#F1F2EC

border

#CBCCC7

text

#0D0F08

muted

#7E7E7B

Preview Lab

Preview with #647C39

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

Preview Lab → · Contrast checker → · Palette generator →