#647D16#647D16

#647D16 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	#647D16
RGB	rgb(100, 125, 22)
HSL	hsl(75, 70%, 29%)
HSV	hsv(75, 82%, 49%)
CMYK	cmyk(20%, 0%, 82.4%, 51%)
CIE-LAB	lab(48.80, -23.48, 48.42)
CIE-LCH	lch(48.80, 53.81, 115.86°)
OKLab	oklab(55.07% -0.069 0.106)
OKLCH	oklch(55.07% 0.126 123.1)
XYZ	xyz(12.7341, 17.4344, 3.4532)
Luminance	0.1743 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647D16 #2F167D

analogous

#7D6316 #647D16 #317D16

triadic

#647D16 #16647D #7D1664

tetradic

#647D16 #167D63 #2F167D #7D1631

square

#647D16 #167D63 #2F167D #7D1631

split-complementary

#647D16 #16317D #63167D

monochromatic

#151A05 #3A490D #647D16 #8EB11F #B2DB32

Accessibility & contrast

On white

4.68

#647D16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#647D16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647D16

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647D16	#FFFFFF	#000000	##FFFFFF
##647D16	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)

#827421

Tritanopia (blue-blind)

#6A766A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647d16;
/* rgb */ color: rgb(100, 125, 22);
/* oklch */ color: oklch(55.1% 0.126 123.1);

Tailwind

colors: {
  custom: {
    50: '#93a25e',
    500: '#647d16',
    950: '#000000',
  },
}

SCSS

$custom: #647d16;
$custom-light: #93a25e;
$custom-dark: #000000;

JSON

{
  "hex": "#647d16",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 22
  },
  "hsl": {
    "h": 74.563,
    "s": 70.068,
    "l": 28.824
  },
  "oklch": {
    "l": 0.55068,
    "c": 0.12648,
    "h": 123.1
  },
  "luminance": 0.17434
}

Semantic roles & 50–950 ramp

primary

#647D16

secondary

#593DB2

accent

#3BED66

background

#F9FAF5

surface

#F2F3E9

border

#CCCDC5

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647D16

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

Preview Lab → · Contrast checker → · Palette generator →