#638121#638121

#638121 is a mid, vivid yellow-green. Relative luminance 0.185; OKLCH L 56.1% C 0.126 H 125.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#638121
RGB	rgb(99, 129, 33)
HSL	hsl(79, 59%, 32%)
HSV	hsv(79, 74%, 51%)
CMYK	cmyk(23.3%, 0%, 74.4%, 49.4%)
CIE-LAB	lab(50.05, -25.32, 45.76)
CIE-LCH	lch(50.05, 52.30, 118.96°)
OKLab	oklab(56.08% -0.0731 0.1023)
OKLCH	oklch(56.08% 0.126 125.5)
XYZ	xyz(13.2704, 18.4628, 4.3031)
Luminance	0.1846 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638121 #3F2181

analogous

#816F21 #638121 #338121

triadic

#638121 #216381 #812163

tetradic

#638121 #21816F #3F2181 #812133

square

#638121 #21816F #3F2181 #812133

split-complementary

#638121 #213381 #6F2181

monochromatic

#182008 #3E5015 #638121 #88B22D #A7D14B

Accessibility & contrast

On white

4.48

#638121 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#638121 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638121

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638121	#FFFFFF	#000000	##000000
##638121	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88780F

Deuteranopia (green-blind)

#84772A

Tritanopia (blue-blind)

#687B6E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #638121;
/* rgb */ color: rgb(99, 129, 33);
/* oklch */ color: oklch(56.1% 0.126 125.5);

Tailwind

colors: {
  custom: {
    50: '#92a563',
    500: '#638121',
    950: '#000000',
  },
}

SCSS

$custom: #638121;
$custom-light: #92a563;
$custom-dark: #000000;

JSON

{
  "hex": "#638121",
  "rgb": {
    "r": 99,
    "g": 129,
    "b": 33
  },
  "hsl": {
    "h": 78.75,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56082,
    "c": 0.12575,
    "h": 125.5
  },
  "luminance": 0.18463
}

Semantic roles & 50–950 ramp

primary

#638121

secondary

#6B4AB4

accent

#45E276

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D0F06

muted

#7E7F7A

Preview Lab

Preview with #638121

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

Preview Lab → · Contrast checker → · Palette generator →