#638E1A#638E1A

#638E1A is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.4% C 0.146 H 128.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#638E1A
RGB	rgb(99, 142, 26)
HSL	hsl(82, 69%, 33%)
HSV	hsv(82, 82%, 56%)
CMYK	cmyk(30.3%, 0%, 81.7%, 44.3%)
CIE-LAB	lab(54.10, -31.94, 51.99)
CIE-LCH	lch(54.10, 61.02, 121.56°)
OKLab	oklab(59.36% -0.0917 0.1142)
OKLCH	oklch(59.36% 0.146 128.7)
XYZ	xyz(15.0050, 22.0728, 4.4470)
Luminance	0.2207 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638E1A #451A8E

analogous

#8E7F1A #638E1A #298E1A

triadic

#638E1A #1A638E #8E1A63

tetradic

#638E1A #1A8E7F #451A8E #8E1A29

square

#638E1A #1A8E7F #451A8E #8E1A29

split-complementary

#638E1A #1A298E #7F1A8E

monochromatic

#1B2707 #3F5A11 #638E1A #87C223 #A5DD45

Accessibility & contrast

On white

3.88

#638E1A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#638E1A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638E1A

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638E1A	#FFFFFF	#000000	##000000
##638E1A	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8F8027

Tritanopia (blue-blind)

#668779

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #638e1a;
/* rgb */ color: rgb(99, 142, 26);
/* oklch */ color: oklch(59.4% 0.146 128.7);

Tailwind

colors: {
  custom: {
    50: '#94af62',
    500: '#638e1a',
    950: '#000000',
  },
}

SCSS

$custom: #638e1a;
$custom-light: #94af62;
$custom-dark: #000000;

JSON

{
  "hex": "#638e1a",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 26
  },
  "hsl": {
    "h": 82.241,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.59359,
    "c": 0.14648,
    "h": 128.7
  },
  "luminance": 0.22073
}

Semantic roles & 50–950 ramp

primary

#638E1A

secondary

#7245BE

accent

#3CEC7D

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #638E1A

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

Preview Lab → · Contrast checker → · Palette generator →