#647D17#647D17

#647D17 is a mid, vivid yellow-green. Relative luminance 0.174; OKLCH L 55.1% C 0.126 H 123.1°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#647D17
RGB	rgb(100, 125, 23)
HSL	hsl(75, 69%, 29%)
HSV	hsv(75, 82%, 49%)
CMYK	cmyk(20%, 0%, 81.6%, 51%)
CIE-LAB	lab(48.81, -23.43, 48.12)
CIE-LCH	lch(48.81, 53.52, 115.96°)
OKLab	oklab(55.07% -0.0688 0.1055)
OKLCH	oklch(55.07% 0.126 123.1)
XYZ	xyz(12.7440, 17.4383, 3.5050)
Luminance	0.1744 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647D17 #30177D

analogous

#7D6317 #647D17 #317D17

triadic

#647D17 #17647D #7D1764

tetradic

#647D17 #177D63 #30177D #7D1731

square

#647D17 #177D63 #30177D #7D1731

split-complementary

#647D17 #17317D #63177D

monochromatic

#151A05 #3B490D #647D17 #8DB121 #B1DA35

Accessibility & contrast

On white

4.68

#647D17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#647D17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647D17

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647D17	#FFFFFF	#000000	##FFFFFF
##647D17	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857500

Deuteranopia (green-blind)

#817422

Tritanopia (blue-blind)

#6A766A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647d17;
/* rgb */ color: rgb(100, 125, 23);
/* oklch */ color: oklch(55.1% 0.126 123.1);

Tailwind

colors: {
  custom: {
    50: '#93a25e',
    500: '#647d17',
    950: '#000000',
  },
}

SCSS

$custom: #647d17;
$custom-light: #93a25e;
$custom-dark: #000000;

JSON

{
  "hex": "#647d17",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 23
  },
  "hsl": {
    "h": 74.706,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.55073,
    "c": 0.12597,
    "h": 123.1
  },
  "luminance": 0.17438
}

Semantic roles & 50–950 ramp

primary

#647D17

secondary

#5A3EB2

accent

#3CEC67

background

#F9FAF5

surface

#F2F3E9

border

#CCCDC5

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647D17

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

Preview Lab → · Contrast checker → · Palette generator →