#636A15#636A15

#636A15 is a mid, moderate yellow. Relative luminance 0.130; OKLCH L 50.2% C 0.104 H 114.4°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#636A15
RGB	rgb(99, 106, 21)
HSL	hsl(65, 67%, 25%)
HSV	hsv(65, 80%, 42%)
CMYK	cmyk(6.6%, 0%, 80.2%, 58.4%)
CIE-LAB	lab(42.79, -13.97, 43.24)
CIE-LCH	lch(42.79, 45.44, 107.90°)
OKLab	oklab(50.2% -0.0429 0.0948)
OKLCH	oklch(50.2% 0.104 114.4)
XYZ	xyz(10.4353, 13.0151, 2.6718)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636A15 #1C156A

analogous

#6A4615 #636A15 #396A15

triadic

#636A15 #15636A #6A1563

tetradic

#636A15 #156A46 #1C156A #6A1539

square

#636A15 #156A46 #1C156A #6A1539

split-complementary

#636A15 #15396A #46156A

monochromatic

#181A05 #33370B #636A15 #939D1F #C2D029

Accessibility & contrast

On white

5.83

#636A15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#636A15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636A15

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636A15	#FFFFFF	#000000	##FFFFFF
##636A15	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726402

Deuteranopia (green-blind)

#72661D

Tritanopia (blue-blind)

#6A635A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #636a15;
/* rgb */ color: rgb(99, 106, 21);
/* oklch */ color: oklch(50.2% 0.104 114.4);

Tailwind

colors: {
  custom: {
    50: '#92945a',
    500: '#636a15',
    950: '#000000',
  },
}

SCSS

$custom: #636a15;
$custom-light: #92945a;
$custom-dark: #000000;

JSON

{
  "hex": "#636a15",
  "rgb": {
    "r": 99,
    "g": 106,
    "b": 21
  },
  "hsl": {
    "h": 64.941,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.50199,
    "c": 0.10409,
    "h": 114.4
  },
  "luminance": 0.13015
}

Semantic roles & 50–950 ramp

primary

#636A15

secondary

#433AA1

accent

#3EEA4C

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636A15

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

Preview Lab → · Contrast checker → · Palette generator →