#639518#639518

#639518 is a mid, vivid yellow-green. Relative luminance 0.242; OKLCH L 61.1% C 0.156 H 130.2°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#639518
RGB	rgb(99, 149, 24)
HSL	hsl(84, 72%, 34%)
HSV	hsv(84, 84%, 58%)
CMYK	cmyk(33.6%, 0%, 83.9%, 41.6%)
CIE-LAB	lab(56.30, -35.23, 54.54)
CIE-LCH	lch(56.30, 64.93, 122.86°)
OKLab	oklab(61.15% -0.1007 0.1193)
OKLCH	oklch(61.15% 0.156 130.2)
XYZ	xyz(16.0578, 24.2129, 4.6915)
Luminance	0.2421 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639518 #4A1895

analogous

#958918 #639518 #259518

triadic

#639518 #186395 #951863

tetradic

#639518 #189589 #4A1895 #951825

square

#639518 #189589 #4A1895 #951825

split-complementary

#639518 #182595 #891895

monochromatic

#1D2C07 #406010 #639518 #86CA20 #A3E146

Accessibility & contrast

On white

3.59

#639518 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#639518 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639518

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639518	#FFFFFF	#000000	##000000
##639518	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8900

Deuteranopia (green-blind)

#958627

Tritanopia (blue-blind)

#668E7F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #639518;
/* rgb */ color: rgb(99, 149, 24);
/* oklch */ color: oklch(61.1% 0.156 130.2);

Tailwind

colors: {
  custom: {
    50: '#94b462',
    500: '#639518',
    950: '#000000',
  },
}

SCSS

$custom: #639518;
$custom-light: #94b462;
$custom-dark: #000000;

JSON

{
  "hex": "#639518",
  "rgb": {
    "r": 99,
    "g": 149,
    "b": 24
  },
  "hsl": {
    "h": 84,
    "s": 72.254,
    "l": 33.922
  },
  "oklch": {
    "l": 0.61145,
    "c": 0.15611,
    "h": 130.2
  },
  "luminance": 0.24213
}

Semantic roles & 50–950 ramp

primary

#639518

secondary

#7846C2

accent

#39EF82

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #639518

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

Preview Lab → · Contrast checker → · Palette generator →