#647F20#647F20

#647F20 is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.6% C 0.123 H 124.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#647F20
RGB	rgb(100, 127, 32)
HSL	hsl(77, 60%, 31%)
HSV	hsv(77, 75%, 50%)
CMYK	cmyk(21.3%, 0%, 74.8%, 50.2%)
CIE-LAB	lab(49.49, -23.96, 45.61)
CIE-LCH	lch(49.49, 51.52, 117.71°)
OKLab	oklab(55.64% -0.0695 0.1018)
OKLCH	oklch(55.64% 0.123 124.3)
XYZ	xyz(13.1057, 17.9922, 4.1486)
Luminance	0.1799 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F20 #3B207F

analogous

#7F6A20 #647F20 #347F20

triadic

#647F20 #20647F #7F2064

tetradic

#647F20 #207F6A #3B207F #7F2034

square

#647F20 #207F6A #3B207F #7F2034

split-complementary

#647F20 #20347F #6A207F

monochromatic

#171D07 #3E4E14 #647F20 #8AB02C #AAD148

Accessibility & contrast

On white

4.57

#647F20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#647F20 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F20

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F20	#FFFFFF	#000000	##000000
##647F20	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86770E

Deuteranopia (green-blind)

#837528

Tritanopia (blue-blind)

#69796D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647f20;
/* rgb */ color: rgb(100, 127, 32);
/* oklch */ color: oklch(55.6% 0.123 124.3);

Tailwind

colors: {
  custom: {
    50: '#93a463',
    500: '#647f20',
    950: '#000000',
  },
}

SCSS

$custom: #647f20;
$custom-light: #93a463;
$custom-dark: #000000;

JSON

{
  "hex": "#647f20",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 32
  },
  "hsl": {
    "h": 77.053,
    "s": 59.748,
    "l": 31.176
  },
  "oklch": {
    "l": 0.55639,
    "c": 0.12328,
    "h": 124.3
  },
  "luminance": 0.17992
}

Semantic roles & 50–950 ramp

primary

#647F20

secondary

#6749B2

accent

#45E372

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D0F05

muted

#7E7F7A

Preview Lab

Preview with #647F20

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

Preview Lab → · Contrast checker → · Palette generator →