#666E30#666E30

#666E30 is a mid, moderate yellow. Relative luminance 0.142; OKLCH L 51.7% C 0.086 H 115.6°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#666E30
RGB	rgb(102, 110, 48)
HSL	hsl(68, 39%, 31%)
HSV	hsv(68, 56%, 43%)
CMYK	cmyk(7.3%, 0%, 56.4%, 56.9%)
CIE-LAB	lab(44.50, -12.86, 33.06)
CIE-LCH	lch(44.50, 35.47, 111.25°)
OKLab	oklab(51.71% -0.0371 0.0775)
OKLCH	oklch(51.71% 0.086 115.6)
XYZ	xyz(11.5891, 14.1902, 4.9242)
Luminance	0.1419 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E30 #38306E

analogous

#6E5730 #666E30 #476E30

triadic

#666E30 #30666E #6E3066

tetradic

#666E30 #306E57 #38306E #6E3047

square

#666E30 #306E57 #38306E #6E3047

split-complementary

#666E30 #30476E #57306E

monochromatic

#17190B #3E431D #666E30 #8E9943 #AEB95F

Accessibility & contrast

On white

5.47

#666E30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#666E30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E30

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E30	#FFFFFF	#000000	##FFFFFF
##666E30	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75692A

Deuteranopia (green-blind)

#756A34

Tritanopia (blue-blind)

#6C6860

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e30;
/* rgb */ color: rgb(102, 110, 48);
/* oklch */ color: oklch(51.7% 0.086 115.6);

Tailwind

colors: {
  custom: {
    50: '#93976a',
    500: '#666e30',
    950: '#000000',
  },
}

SCSS

$custom: #666e30;
$custom-light: #93976a;
$custom-dark: #000000;

JSON

{
  "hex": "#666e30",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 48
  },
  "hsl": {
    "h": 67.742,
    "s": 39.241,
    "l": 30.98
  },
  "oklch": {
    "l": 0.51713,
    "c": 0.08593,
    "h": 115.6
  },
  "luminance": 0.1419
}

Semantic roles & 50–950 ramp

primary

#666E30

secondary

#635B9F

accent

#59CF68

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666E30

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

Preview Lab → · Contrast checker → · Palette generator →