#666018#666018

#666018 is a mid, moderate yellow. Relative luminance 0.113; OKLCH L 48.1% C 0.090 H 104.5°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#666018
RGB	rgb(102, 96, 24)
HSL	hsl(55, 62%, 25%)
HSV	hsv(55, 76%, 40%)
CMYK	cmyk(0%, 5.9%, 76.5%, 60%)
CIE-LAB	lab(40.01, -6.74, 39.58)
CIE-LCH	lch(40.01, 40.15, 99.67°)
OKLab	oklab(48.05% -0.0226 0.0876)
OKLCH	oklch(48.05% 0.09 104.5)
XYZ	xyz(9.8276, 11.2569, 2.5191)
Luminance	0.1126 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666018 #181E66

analogous

#663918 #666018 #456618

triadic

#666018 #186660 #601866

tetradic

#666018 #186639 #181E66 #661845

square

#666018 #186639 #181E66 #661845

split-complementary

#666018 #184566 #391866

monochromatic

#191706 #34310C #666018 #988F24 #C9BD2F

Accessibility & contrast

On white

6.46

#666018 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#666018 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666018

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666018	#FFFFFF	#000000	##FFFFFF
##666018	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695C0B

Deuteranopia (green-blind)

#6B601D

Tritanopia (blue-blind)

#6E5952

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #666018;
/* rgb */ color: rgb(102, 96, 24);
/* oklch */ color: oklch(48.1% 0.090 104.5);

Tailwind

colors: {
  custom: {
    50: '#948c5b',
    500: '#666018',
    950: '#000000',
  },
}

SCSS

$custom: #666018;
$custom-light: #948c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#666018",
  "rgb": {
    "r": 102,
    "g": 96,
    "b": 24
  },
  "hsl": {
    "h": 55.385,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.48053,
    "c": 0.09044,
    "h": 104.5
  },
  "luminance": 0.11256
}

Semantic roles & 50–950 ramp

primary

#666018

secondary

#3E459C

accent

#4FE543

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0E0C04

muted

#7E7D79

Preview Lab

Preview with #666018

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

Preview Lab → · Contrast checker → · Palette generator →