#638516#638516

#638516 is a mid, vivid yellow-green. Relative luminance 0.195; OKLCH L 57.0% C 0.137 H 126.2°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#638516
RGB	rgb(99, 133, 22)
HSL	hsl(78, 72%, 30%)
HSV	hsv(78, 83%, 52%)
CMYK	cmyk(25.6%, 0%, 83.5%, 47.8%)
CIE-LAB	lab(51.25, -27.85, 50.59)
CIE-LCH	lch(51.25, 57.75, 118.83°)
OKLab	oklab(57.03% -0.0809 0.1106)
OKLCH	oklch(57.03% 0.137 126.2)
XYZ	xyz(13.6780, 19.4854, 3.7993)
Luminance	0.1949 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638516 #381685

analogous

#856F16 #638516 #2C8516

triadic

#638516 #166385 #851663

tetradic

#638516 #16856F #381685 #85162C

square

#638516 #16856F #381685 #85162C

split-complementary

#638516 #162C85 #6F1685

monochromatic

#151C05 #3C500D #638516 #8ABA1F #ABDE37

Accessibility & contrast

On white

4.29

#638516 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#638516 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638516

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638516	#FFFFFF	#000000	##000000
##638516	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7B00

Deuteranopia (green-blind)

#887A22

Tritanopia (blue-blind)

#687E71

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #638516;
/* rgb */ color: rgb(99, 133, 22);
/* oklch */ color: oklch(57.0% 0.137 126.2);

Tailwind

colors: {
  custom: {
    50: '#93a85f',
    500: '#638516',
    950: '#000000',
  },
}

SCSS

$custom: #638516;
$custom-light: #93a85f;
$custom-dark: #000000;

JSON

{
  "hex": "#638516",
  "rgb": {
    "r": 99,
    "g": 133,
    "b": 22
  },
  "hsl": {
    "h": 78.378,
    "s": 71.613,
    "l": 30.392
  },
  "oklch": {
    "l": 0.57033,
    "c": 0.13703,
    "h": 126.2
  },
  "luminance": 0.19486
}

Semantic roles & 50–950 ramp

primary

#638516

secondary

#633EB9

accent

#39EE71

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #638516

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

Preview Lab → · Contrast checker → · Palette generator →