#647F19#647F19

#647F19 is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.6% C 0.127 H 123.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#647F19
RGB	rgb(100, 127, 25)
HSL	hsl(76, 67%, 30%)
HSV	hsv(76, 80%, 50%)
CMYK	cmyk(21.3%, 0%, 80.3%, 50.2%)
CIE-LAB	lab(49.45, -24.34, 48.06)
CIE-LCH	lch(49.45, 53.87, 116.86°)
OKLab	oklab(55.59% -0.0712 0.1057)
OKLCH	oklch(55.59% 0.127 123.9)
XYZ	xyz(13.0205, 17.9581, 3.6998)
Luminance	0.1796 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F19 #34197F

analogous

#7F6719 #647F19 #317F19

triadic

#647F19 #19647F #7F1964

tetradic

#647F19 #197F67 #34197F #7F1931

square

#647F19 #197F67 #34197F #7F1931

split-complementary

#647F19 #19317F #67197F

monochromatic

#141A05 #3C4C0F #647F19 #8CB223 #AED83A

Accessibility & contrast

On white

4.57

#647F19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#647F19 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F19

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F19	#FFFFFF	#000000	##000000
##647F19	1.00	4.57	4.59	4.59
#FFFFFF	4.57	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)

#837523

Tritanopia (blue-blind)

#69786C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647f19;
/* rgb */ color: rgb(100, 127, 25);
/* oklch */ color: oklch(55.6% 0.127 123.9);

Tailwind

colors: {
  custom: {
    50: '#93a45f',
    500: '#647f19',
    950: '#000000',
  },
}

SCSS

$custom: #647f19;
$custom-light: #93a45f;
$custom-dark: #000000;

JSON

{
  "hex": "#647f19",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 25
  },
  "hsl": {
    "h": 75.882,
    "s": 67.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.55592,
    "c": 0.12745,
    "h": 123.9
  },
  "luminance": 0.17958
}

Semantic roles & 50–950 ramp

primary

#647F19

secondary

#5F41B3

accent

#3EEA6B

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647F19

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

Preview Lab → · Contrast checker → · Palette generator →