#638823#638823

#638823 is a mid, vivid yellow-green. Relative luminance 0.204; OKLCH L 57.9% C 0.134 H 127.8°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#638823
RGB	rgb(99, 136, 35)
HSL	hsl(82, 59%, 34%)
HSV	hsv(82, 74%, 53%)
CMYK	cmyk(27.2%, 0%, 74.3%, 46.7%)
CIE-LAB	lab(52.27, -28.61, 47.18)
CIE-LCH	lch(52.27, 55.18, 121.23°)
OKLab	oklab(57.88% -0.0819 0.1056)
OKLCH	oklch(57.88% 0.134 127.8)
XYZ	xyz(14.2531, 20.3820, 4.7730)
Luminance	0.2038 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638823 #482388

analogous

#887A23 #638823 #308823

triadic

#638823 #236388 #882363

tetradic

#638823 #23887A #482388 #882330

square

#638823 #23887A #482388 #882330

split-complementary

#638823 #233088 #7A2388

monochromatic

#1C270A #405716 #638823 #86B930 #A4D353

Accessibility & contrast

On white

4.14

#638823 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#638823 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638823

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638823	#FFFFFF	#000000	##000000
##638823	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E10

Deuteranopia (green-blind)

#8A7C2C

Tritanopia (blue-blind)

#678274

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #638823;
/* rgb */ color: rgb(99, 136, 35);
/* oklch */ color: oklch(57.9% 0.134 127.8);

Tailwind

colors: {
  custom: {
    50: '#93ab65',
    500: '#638823',
    950: '#000000',
  },
}

SCSS

$custom: #638823;
$custom-light: #93ab65;
$custom-dark: #000000;

JSON

{
  "hex": "#638823",
  "rgb": {
    "r": 99,
    "g": 136,
    "b": 35
  },
  "hsl": {
    "h": 81.98,
    "s": 59.064,
    "l": 33.529
  },
  "oklch": {
    "l": 0.57881,
    "c": 0.13368,
    "h": 127.8
  },
  "luminance": 0.20382
}

Semantic roles & 50–950 ramp

primary

#638823

secondary

#7650B7

accent

#46E27F

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #638823

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

Preview Lab → · Contrast checker → · Palette generator →