#638916#638916

#638916 is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 58.1% C 0.142 H 127.3°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#638916
RGB	rgb(99, 137, 22)
HSL	hsl(80, 72%, 31%)
HSV	hsv(80, 84%, 54%)
CMYK	cmyk(27.7%, 0%, 83.9%, 46.3%)
CIE-LAB	lab(52.51, -29.77, 51.72)
CIE-LCH	lch(52.51, 59.67, 119.93°)
OKLab	oklab(58.06% -0.0861 0.113)
OKLCH	oklch(58.06% 0.142 127.3)
XYZ	xyz(14.2361, 20.6016, 3.9854)
Luminance	0.2060 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638916 #3C1689

analogous

#897516 #638916 #298916

triadic

#638916 #166389 #891663

tetradic

#638916 #168975 #3C1689 #891629

square

#638916 #168975 #3C1689 #891629

split-complementary

#638916 #162989 #751689

monochromatic

#172005 #3D540E #638916 #89BE1E #A9DF3A

Accessibility & contrast

On white

4.10

#638916 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#638916 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638916

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638916	#FFFFFF	#000000	##000000
##638916	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#8B7D23

Tritanopia (blue-blind)

#678274

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #638916;
/* rgb */ color: rgb(99, 137, 22);
/* oklch */ color: oklch(58.1% 0.142 127.3);

Tailwind

colors: {
  custom: {
    50: '#93ab5f',
    500: '#638916',
    950: '#000000',
  },
}

SCSS

$custom: #638916;
$custom-light: #93ab5f;
$custom-dark: #000000;

JSON

{
  "hex": "#638916",
  "rgb": {
    "r": 99,
    "g": 137,
    "b": 22
  },
  "hsl": {
    "h": 79.826,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.58057,
    "c": 0.14205,
    "h": 127.3
  },
  "luminance": 0.20602
}

Semantic roles & 50–950 ramp

primary

#638916

secondary

#683EBD

accent

#39EF75

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0E1005

muted

#7E7F79

Preview Lab

Preview with #638916

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

Preview Lab → · Contrast checker → · Palette generator →