#638919#638919

#638919 is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 58.1% C 0.141 H 127.4°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#638919
RGB	rgb(99, 137, 25)
HSL	hsl(80, 69%, 32%)
HSV	hsv(80, 82%, 54%)
CMYK	cmyk(27.7%, 0%, 81.8%, 46.3%)
CIE-LAB	lab(52.52, -29.64, 50.86)
CIE-LCH	lch(52.52, 58.86, 120.23°)
OKLab	oklab(58.07% -0.0855 0.1117)
OKLCH	oklch(58.07% 0.141 127.4)
XYZ	xyz(14.2668, 20.6138, 4.1467)
Luminance	0.2061 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638919 #3F1989

analogous

#897719 #638919 #2B8919

triadic

#638919 #196389 #891963

tetradic

#638919 #198977 #3F1989 #89192B

square

#638919 #198977 #3F1989 #89192B

split-complementary

#638919 #192B89 #771989

monochromatic

#182106 #3E5510 #638919 #88BD22 #A7DC40

Accessibility & contrast

On white

4.10

#638919 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#638919 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638919

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638919	#FFFFFF	#000000	##000000
##638919	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#8B7D25

Tritanopia (blue-blind)

#678275

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #638919;
/* rgb */ color: rgb(99, 137, 25);
/* oklch */ color: oklch(58.1% 0.141 127.4);

Tailwind

colors: {
  custom: {
    50: '#93ab61',
    500: '#638919',
    950: '#000000',
  },
}

SCSS

$custom: #638919;
$custom-light: #93ab61;
$custom-dark: #000000;

JSON

{
  "hex": "#638919",
  "rgb": {
    "r": 99,
    "g": 137,
    "b": 25
  },
  "hsl": {
    "h": 80.357,
    "s": 69.136,
    "l": 31.765
  },
  "oklch": {
    "l": 0.58072,
    "c": 0.14065,
    "h": 127.4
  },
  "luminance": 0.20614
}

Semantic roles & 50–950 ramp

primary

#638919

secondary

#6B41BC

accent

#3CEC78

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1005

muted

#7E7F7A

Preview Lab

Preview with #638919

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

Preview Lab → · Contrast checker → · Palette generator →