#638013#638013

#638013 is a mid, vivid yellow-green. Relative luminance 0.181; OKLCH L 55.7% C 0.132 H 124.5°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#638013
RGB	rgb(99, 128, 19)
HSL	hsl(76, 74%, 29%)
HSV	hsv(76, 85%, 50%)
CMYK	cmyk(22.7%, 0%, 85.2%, 49.8%)
CIE-LAB	lab(49.66, -25.53, 50.03)
CIE-LCH	lch(49.66, 56.17, 117.04°)
OKLab	oklab(55.74% -0.0748 0.1089)
OKLCH	oklch(55.74% 0.132 124.5)
XYZ	xyz(12.9825, 18.1379, 3.4330)
Luminance	0.1814 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638013 #301380

analogous

#806713 #638013 #2D8013

triadic

#638013 #136380 #801363

tetradic

#638013 #138067 #301380 #80132D

square

#638013 #138067 #301380 #80132D

split-complementary

#638013 #132D80 #671380

monochromatic

#151B04 #3A4B0B #638013 #8CB51B #B0E02D

Accessibility & contrast

On white

4.54

#638013 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#638013 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638013

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638013	#FFFFFF	#000000	##000000
##638013	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#887700

Deuteranopia (green-blind)

#847620

Tritanopia (blue-blind)

#68796D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #638013;
/* rgb */ color: rgb(99, 128, 19);
/* oklch */ color: oklch(55.7% 0.132 124.5);

Tailwind

colors: {
  custom: {
    50: '#93a55d',
    500: '#638013',
    950: '#000000',
  },
}

SCSS

$custom: #638013;
$custom-light: #93a55d;
$custom-dark: #000000;

JSON

{
  "hex": "#638013",
  "rgb": {
    "r": 99,
    "g": 128,
    "b": 19
  },
  "hsl": {
    "h": 75.963,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.55742,
    "c": 0.13211,
    "h": 124.5
  },
  "luminance": 0.18138
}

Semantic roles & 50–950 ramp

primary

#638013

secondary

#5A39B5

accent

#37F168

background

#F9FAF5

surface

#F2F4E9

border

#CCCEC5

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #638013

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

Preview Lab → · Contrast checker → · Palette generator →