#638722#638722

#638722 is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.6% C 0.133 H 127.5°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#638722
RGB	rgb(99, 135, 34)
HSL	hsl(81, 60%, 33%)
HSV	hsv(81, 75%, 53%)
CMYK	cmyk(26.7%, 0%, 74.8%, 47.1%)
CIE-LAB	lab(51.95, -28.19, 47.24)
CIE-LCH	lch(51.95, 55.02, 120.83°)
OKLab	oklab(57.62% -0.0809 0.1056)
OKLCH	oklch(57.62% 0.133 127.5)
XYZ	xyz(14.0983, 20.0958, 4.6492)
Luminance	0.2010 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638722 #462287

analogous

#877822 #638722 #318722

triadic

#638722 #226387 #872263

tetradic

#638722 #228778 #462287 #872231

square

#638722 #228778 #462287 #872231

split-complementary

#638722 #223187 #782287

monochromatic

#1B2509 #3F5616 #638722 #87B82E #A4D350

Accessibility & contrast

On white

4.18

#638722 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#638722 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638722

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638722	#FFFFFF	#000000	##000000
##638722	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D0F

Deuteranopia (green-blind)

#897B2B

Tritanopia (blue-blind)

#678173

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #638722;
/* rgb */ color: rgb(99, 135, 34);
/* oklch */ color: oklch(57.6% 0.133 127.5);

Tailwind

colors: {
  custom: {
    50: '#93aa65',
    500: '#638722',
    950: '#000000',
  },
}

SCSS

$custom: #638722;
$custom-light: #93aa65;
$custom-dark: #000000;

JSON

{
  "hex": "#638722",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 34
  },
  "hsl": {
    "h": 81.386,
    "s": 59.763,
    "l": 33.137
  },
  "oklch": {
    "l": 0.57618,
    "c": 0.133,
    "h": 127.5
  },
  "luminance": 0.20096
}

Semantic roles & 50–950 ramp

primary

#638722

secondary

#734EB7

accent

#45E37D

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #638722

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

Preview Lab → · Contrast checker → · Palette generator →