#647B15#647B15

#647B15 is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.6% C 0.124 H 122.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#647B15
RGB	rgb(100, 123, 21)
HSL	hsl(74, 71%, 28%)
HSV	hsv(74, 83%, 48%)
CMYK	cmyk(18.7%, 0%, 82.9%, 51.8%)
CIE-LAB	lab(48.17, -22.51, 48.16)
CIE-LCH	lch(48.17, 53.16, 115.05°)
OKLab	oklab(54.56% -0.0665 0.1052)
OKLCH	oklch(54.56% 0.124 122.3)
XYZ	xyz(12.4740, 16.9293, 3.3199)
Luminance	0.1693 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B15 #2C157B

analogous

#7B5F15 #647B15 #317B15

triadic

#647B15 #15647B #7B1564

tetradic

#647B15 #157B5F #2C157B #7B1531

square

#647B15 #157B5F #2C157B #7B1531

split-complementary

#647B15 #15317B #5F157B

monochromatic

#151A04 #39470C #647B15 #8EAF1E #B5DB2F

Accessibility & contrast

On white

4.79

#647B15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#647B15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B15

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B15	#FFFFFF	#000000	##FFFFFF
##647B15	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#807220

Tritanopia (blue-blind)

#6A7468

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647b15;
/* rgb */ color: rgb(100, 123, 21);
/* oklch */ color: oklch(54.6% 0.124 122.3);

Tailwind

colors: {
  custom: {
    50: '#93a15d',
    500: '#647b15',
    950: '#000000',
  },
}

SCSS

$custom: #647b15;
$custom-light: #93a15d;
$custom-dark: #000000;

JSON

{
  "hex": "#647b15",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 21
  },
  "hsl": {
    "h": 73.529,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.54555,
    "c": 0.12447,
    "h": 122.3
  },
  "luminance": 0.16929
}

Semantic roles & 50–950 ramp

primary

#647B15

secondary

#563BB0

accent

#3AEE63

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #647B15

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

Preview Lab → · Contrast checker → · Palette generator →