#647F17#647F17

#647F17 is a mid, vivid yellow-green. Relative luminance 0.179; OKLCH L 55.6% C 0.128 H 123.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#647F17
RGB	rgb(100, 127, 23)
HSL	hsl(76, 69%, 29%)
HSV	hsv(76, 82%, 50%)
CMYK	cmyk(21.3%, 0%, 81.9%, 50.2%)
CIE-LAB	lab(49.44, -24.43, 48.69)
CIE-LCH	lch(49.44, 54.47, 116.65°)
OKLab	oklab(55.58% -0.0716 0.1067)
OKLCH	oklch(55.58% 0.128 123.9)
XYZ	xyz(12.9997, 17.9498, 3.5902)
Luminance	0.1795 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F17 #32177F

analogous

#7F6617 #647F17 #307F17

triadic

#647F17 #17647F #7F1764

tetradic

#647F17 #177F66 #32177F #7F1730

square

#647F17 #177F66 #32177F #7F1730

split-complementary

#647F17 #17307F #66177F

monochromatic

#141A05 #3B4B0E #647F17 #8DB320 #B0DB36

Accessibility & contrast

On white

4.58

#647F17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#647F17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F17

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F17	#FFFFFF	#000000	##000000
##647F17	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#877600

Deuteranopia (green-blind)

#837522

Tritanopia (blue-blind)

#69786C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647f17;
/* rgb */ color: rgb(100, 127, 23);
/* oklch */ color: oklch(55.6% 0.128 123.9);

Tailwind

colors: {
  custom: {
    50: '#94a45e',
    500: '#647f17',
    950: '#000000',
  },
}

SCSS

$custom: #647f17;
$custom-light: #94a45e;
$custom-dark: #000000;

JSON

{
  "hex": "#647f17",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 23
  },
  "hsl": {
    "h": 75.577,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.55581,
    "c": 0.12849,
    "h": 123.9
  },
  "luminance": 0.1795
}

Semantic roles & 50–950 ramp

primary

#647F17

secondary

#5D3EB4

accent

#3CEC69

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647F17

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

Preview Lab → · Contrast checker → · Palette generator →