#647D15#647D15

#647D15 is a mid, vivid yellow-green. Relative luminance 0.174; OKLCH L 55.1% C 0.127 H 123.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#647D15
RGB	rgb(100, 125, 21)
HSL	hsl(74, 71%, 29%)
HSV	hsv(74, 83%, 49%)
CMYK	cmyk(20%, 0%, 83.2%, 51%)
CIE-LAB	lab(48.80, -23.52, 48.72)
CIE-LCH	lch(48.80, 54.10, 115.77°)
OKLab	oklab(55.06% -0.0692 0.1064)
OKLCH	oklch(55.06% 0.127 123)
XYZ	xyz(12.7247, 17.4306, 3.4034)
Luminance	0.1743 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647D15 #2E157D

analogous

#7D6215 #647D15 #307D15

triadic

#647D15 #15647D #7D1564

tetradic

#647D15 #157D62 #2E157D #7D1530

square

#647D15 #157D62 #2E157D #7D1530

split-complementary

#647D15 #15307D #62157D

monochromatic

#151A04 #3A490C #647D15 #8EB11E #B3DC30

Accessibility & contrast

On white

4.68

#647D15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#647D15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647D15

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647D15	#FFFFFF	#000000	##FFFFFF
##647D15	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)

#827420

Tritanopia (blue-blind)

#6A766A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647d15;
/* rgb */ color: rgb(100, 125, 21);
/* oklch */ color: oklch(55.1% 0.127 123.0);

Tailwind

colors: {
  custom: {
    50: '#94a25d',
    500: '#647d15',
    950: '#000000',
  },
}

SCSS

$custom: #647d15;
$custom-light: #94a25d;
$custom-dark: #000000;

JSON

{
  "hex": "#647d15",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 21
  },
  "hsl": {
    "h": 74.423,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.55062,
    "c": 0.12697,
    "h": 123
  },
  "luminance": 0.17431
}

Semantic roles & 50–950 ramp

primary

#647D15

secondary

#583CB2

accent

#3AEE65

background

#F9FAF5

surface

#F2F3E9

border

#CCCDC5

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647D15

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

Preview Lab → · Contrast checker → · Palette generator →