#636F15#636F15

#636F15 is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.4% C 0.110 H 117.3°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#636F15
RGB	rgb(99, 111, 21)
HSL	hsl(68, 68%, 26%)
HSV	hsv(68, 81%, 44%)
CMYK	cmyk(10.8%, 0%, 81.1%, 56.5%)
CIE-LAB	lab(44.34, -16.68, 44.66)
CIE-LCH	lch(44.34, 47.68, 110.48°)
OKLab	oklab(51.45% -0.0504 0.0979)
OKLCH	oklch(51.45% 0.11 117.3)
XYZ	xyz(10.9657, 14.0758, 2.8486)
Luminance	0.1408 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636F15 #21156F

analogous

#6F4E15 #636F15 #366F15

triadic

#636F15 #15636F #6F1563

tetradic

#636F15 #156F4E #21156F #6F1536

square

#636F15 #156F4E #21156F #6F1536

split-complementary

#636F15 #15366F #4E156F

monochromatic

#171A05 #353C0B #636F15 #91A21F #BFD628

Accessibility & contrast

On white

5.50

#636F15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#636F15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636F15

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636F15	#FFFFFF	#000000	##FFFFFF
##636F15	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776900

Deuteranopia (green-blind)

#76691D

Tritanopia (blue-blind)

#6A685E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #636f15;
/* rgb */ color: rgb(99, 111, 21);
/* oklch */ color: oklch(51.4% 0.110 117.3);

Tailwind

colors: {
  custom: {
    50: '#92985b',
    500: '#636f15',
    950: '#000000',
  },
}

SCSS

$custom: #636f15;
$custom-light: #92985b;
$custom-dark: #000000;

JSON

{
  "hex": "#636f15",
  "rgb": {
    "r": 99,
    "g": 111,
    "b": 21
  },
  "hsl": {
    "h": 68,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.51448,
    "c": 0.11009,
    "h": 117.3
  },
  "luminance": 0.14076
}

Semantic roles & 50–950 ramp

primary

#636F15

secondary

#493AA5

accent

#3DEB54

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636F15

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

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