#647C23#647C23

#647C23 is a mid, moderate yellow-green. Relative luminance 0.172; OKLCH L 54.9% C 0.117 H 123.4°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#647C23
RGB	rgb(100, 124, 35)
HSL	hsl(76, 56%, 31%)
HSV	hsv(76, 72%, 49%)
CMYK	cmyk(19.4%, 0%, 71.8%, 51.4%)
CIE-LAB	lab(48.57, -22.25, 43.50)
CIE-LCH	lch(48.57, 48.86, 117.08°)
OKLab	oklab(54.9% -0.0645 0.0979)
OKLCH	oklch(54.9% 0.117 123.4)
XYZ	xyz(12.7667, 17.2459, 4.2460)
Luminance	0.1725 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C23 #3B237C

analogous

#7C6723 #647C23 #377C23

triadic

#647C23 #23647C #7C2364

tetradic

#647C23 #237C67 #3B237C #7C2337

square

#647C23 #237C67 #3B237C #7C2337

split-complementary

#647C23 #23377C #67237C

monochromatic

#171D08 #3E4C16 #647C23 #8AAC30 #AACD4D

Accessibility & contrast

On white

4.72

#647C23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#647C23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C23

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C23	#FFFFFF	#000000	##FFFFFF
##647C23	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837415

Deuteranopia (green-blind)

#80732A

Tritanopia (blue-blind)

#69766A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647c23;
/* rgb */ color: rgb(100, 124, 35);
/* oklch */ color: oklch(54.9% 0.117 123.4);

Tailwind

colors: {
  custom: {
    50: '#93a264',
    500: '#647c23',
    950: '#000000',
  },
}

SCSS

$custom: #647c23;
$custom-light: #93a264;
$custom-dark: #000000;

JSON

{
  "hex": "#647c23",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 35
  },
  "hsl": {
    "h": 76.18,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54903,
    "c": 0.11725,
    "h": 123.4
  },
  "luminance": 0.17246
}

Semantic roles & 50–950 ramp

primary

#647C23

secondary

#674CAF

accent

#49DF71

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0F06

muted

#7E7E7A

Preview Lab

Preview with #647C23

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

Preview Lab → · Contrast checker → · Palette generator →