#647C15#647C15

#647C15 is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.8% C 0.126 H 122.7°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#647C15
RGB	rgb(100, 124, 21)
HSL	hsl(74, 71%, 28%)
HSV	hsv(74, 83%, 49%)
CMYK	cmyk(19.4%, 0%, 83.1%, 51.4%)
CIE-LAB	lab(48.48, -23.01, 48.44)
CIE-LCH	lch(48.48, 53.63, 115.41°)
OKLab	oklab(54.81% -0.0678 0.1058)
OKLCH	oklch(54.81% 0.126 122.7)
XYZ	xyz(12.5987, 17.1787, 3.3614)
Luminance	0.1718 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C15 #2D157C

analogous

#7C6015 #647C15 #307C15

triadic

#647C15 #15647C #7C1564

tetradic

#647C15 #157C60 #2D157C #7C1530

square

#647C15 #157C60 #2D157C #7C1530

split-complementary

#647C15 #15307C #60157C

monochromatic

#151A04 #3A480C #647C15 #8EB01E #B4DC30

Accessibility & contrast

On white

4.73

#647C15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#647C15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C15

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C15	#FFFFFF	#000000	##FFFFFF
##647C15	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#817320

Tritanopia (blue-blind)

#6A7569

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647c15;
/* rgb */ color: rgb(100, 124, 21);
/* oklch */ color: oklch(54.8% 0.126 122.7);

Tailwind

colors: {
  custom: {
    50: '#93a25d',
    500: '#647c15',
    950: '#000000',
  },
}

SCSS

$custom: #647c15;
$custom-light: #93a25d;
$custom-dark: #000000;

JSON

{
  "hex": "#647c15",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 21
  },
  "hsl": {
    "h": 73.981,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.54809,
    "c": 0.12571,
    "h": 122.7
  },
  "luminance": 0.17179
}

Semantic roles & 50–950 ramp

primary

#647C15

secondary

#573CB1

accent

#3AEE64

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0F05

muted

#7E7E79

Preview Lab

Preview with #647C15

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

Preview Lab → · Contrast checker → · Palette generator →