#666D30#666D30

#666D30 is a mid, moderate yellow. Relative luminance 0.140; OKLCH L 51.5% C 0.085 H 114.9°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#666D30
RGB	rgb(102, 109, 48)
HSL	hsl(67, 39%, 31%)
HSV	hsv(67, 56%, 43%)
CMYK	cmyk(6.4%, 0%, 56%, 57.3%)
CIE-LAB	lab(44.20, -12.30, 32.71)
CIE-LCH	lch(44.20, 34.94, 110.62°)
OKLab	oklab(51.47% -0.0355 0.0767)
OKLCH	oklch(51.47% 0.085 114.9)
XYZ	xyz(11.4818, 13.9756, 4.8884)
Luminance	0.1398 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666D30 #37306D

analogous

#6D5530 #666D30 #476D30

triadic

#666D30 #30666D #6D3066

tetradic

#666D30 #306D55 #37306D #6D3047

square

#666D30 #306D55 #37306D #6D3047

split-complementary

#666D30 #30476D #55306D

monochromatic

#16180B #3E431D #666D30 #8E9743 #AEB85F

Accessibility & contrast

On white

5.53

#666D30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#666D30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666D30

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666D30	#FFFFFF	#000000	##FFFFFF
##666D30	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#74682A

Deuteranopia (green-blind)

#746933

Tritanopia (blue-blind)

#6C675F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #666d30;
/* rgb */ color: rgb(102, 109, 48);
/* oklch */ color: oklch(51.5% 0.085 114.9);

Tailwind

colors: {
  custom: {
    50: '#93966a',
    500: '#666d30',
    950: '#000000',
  },
}

SCSS

$custom: #666d30;
$custom-light: #93966a;
$custom-dark: #000000;

JSON

{
  "hex": "#666d30",
  "rgb": {
    "r": 102,
    "g": 109,
    "b": 48
  },
  "hsl": {
    "h": 66.885,
    "s": 38.854,
    "l": 30.784
  },
  "oklch": {
    "l": 0.51468,
    "c": 0.08456,
    "h": 114.9
  },
  "luminance": 0.13975
}

Semantic roles & 50–950 ramp

primary

#666D30

secondary

#625B9E

accent

#59CF67

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666D30

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

Preview Lab → · Contrast checker → · Palette generator →