#638423#638423

#638423 is a mid, vivid yellow-green. Relative luminance 0.193; OKLCH L 56.9% C 0.128 H 126.6°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#638423
RGB	rgb(99, 132, 35)
HSL	hsl(80, 58%, 33%)
HSV	hsv(80, 73%, 52%)
CMYK	cmyk(25%, 0%, 73.5%, 48.2%)
CIE-LAB	lab(51.01, -26.67, 45.93)
CIE-LCH	lch(51.01, 53.11, 120.14°)
OKLab	oklab(56.86% -0.0766 0.103)
OKLCH	oklch(56.86% 0.128 126.6)
XYZ	xyz(13.7003, 19.2763, 4.5887)
Luminance	0.1928 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638423 #442384

analogous

#847423 #638423 #338423

triadic

#638423 #236384 #842363

tetradic

#638423 #238474 #442384 #842333

square

#638423 #238474 #442384 #842333

split-complementary

#638423 #233384 #742384

monochromatic

#1A2309 #3F5416 #638423 #87B430 #A5D151

Accessibility & contrast

On white

4.33

#638423 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#638423 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638423

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638423	#FFFFFF	#000000	##000000
##638423	1.00	4.33	4.86	4.86
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7B12

Deuteranopia (green-blind)

#87792C

Tritanopia (blue-blind)

#677E71

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #638423;
/* rgb */ color: rgb(99, 132, 35);
/* oklch */ color: oklch(56.9% 0.128 126.6);

Tailwind

colors: {
  custom: {
    50: '#93a865',
    500: '#638423',
    950: '#000000',
  },
}

SCSS

$custom: #638423;
$custom-light: #93a865;
$custom-dark: #000000;

JSON

{
  "hex": "#638423",
  "rgb": {
    "r": 99,
    "g": 132,
    "b": 35
  },
  "hsl": {
    "h": 80.412,
    "s": 58.084,
    "l": 32.745
  },
  "oklch": {
    "l": 0.56861,
    "c": 0.12838,
    "h": 126.6
  },
  "luminance": 0.19277
}

Semantic roles & 50–950 ramp

primary

#638423

secondary

#714EB4

accent

#46E17B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D0F06

muted

#7E7F7A

Preview Lab

Preview with #638423

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

Preview Lab → · Contrast checker → · Palette generator →