#638522#638522

#638522 is a mid, vivid yellow-green. Relative luminance 0.195; OKLCH L 57.1% C 0.130 H 126.9°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#638522
RGB	rgb(99, 133, 34)
HSL	hsl(81, 59%, 33%)
HSV	hsv(81, 74%, 52%)
CMYK	cmyk(25.6%, 0%, 74.4%, 47.8%)
CIE-LAB	lab(51.32, -27.22, 46.62)
CIE-LCH	lch(51.32, 53.99, 120.28°)
OKLab	oklab(57.11% -0.0782 0.1043)
OKLCH	oklch(57.11% 0.13 126.9)
XYZ	xyz(13.8219, 19.5429, 4.5570)
Luminance	0.1954 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638522 #442285

analogous

#857522 #638522 #328522

triadic

#638522 #226385 #852263

tetradic

#638522 #228575 #442285 #852232

square

#638522 #228575 #442285 #852232

split-complementary

#638522 #223285 #752285

monochromatic

#1A2409 #3F5416 #638522 #87B62E #A5D24F

Accessibility & contrast

On white

4.28

#638522 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#638522 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638522

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638522	#FFFFFF	#000000	##000000
##638522	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7C10

Deuteranopia (green-blind)

#877A2B

Tritanopia (blue-blind)

#677F72

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #638522;
/* rgb */ color: rgb(99, 133, 34);
/* oklch */ color: oklch(57.1% 0.130 126.9);

Tailwind

colors: {
  custom: {
    50: '#93a864',
    500: '#638522',
    950: '#000000',
  },
}

SCSS

$custom: #638522;
$custom-light: #93a864;
$custom-dark: #000000;

JSON

{
  "hex": "#638522",
  "rgb": {
    "r": 99,
    "g": 133,
    "b": 34
  },
  "hsl": {
    "h": 80.606,
    "s": 59.281,
    "l": 32.745
  },
  "oklch": {
    "l": 0.57108,
    "c": 0.13037,
    "h": 126.9
  },
  "luminance": 0.19543
}

Semantic roles & 50–950 ramp

primary

#638522

secondary

#714DB6

accent

#45E27B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D0F06

muted

#7E7F7A

Preview Lab

Preview with #638522

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

Preview Lab → · Contrast checker → · Palette generator →