#66801F#66801F

#66801F is a mid, vivid yellow-green. Relative luminance 0.184; OKLCH L 56.0% C 0.124 H 123.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#66801F
RGB	rgb(102, 128, 31)
HSL	hsl(76, 61%, 31%)
HSV	hsv(76, 76%, 50%)
CMYK	cmyk(20.3%, 0%, 75.8%, 49.8%)
CIE-LAB	lab(49.93, -23.66, 46.47)
CIE-LCH	lch(49.93, 52.15, 116.99°)
OKLab	oklab(56.03% -0.0689 0.1034)
OKLCH	oklch(56.03% 0.124 123.7)
XYZ	xyz(13.4461, 18.3620, 4.1319)
Luminance	0.1836 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66801F #391F80

analogous

#80691F #66801F #36801F

triadic

#66801F #1F6680 #801F66

tetradic

#66801F #1F8069 #391F80 #801F36

square

#66801F #1F8069 #391F80 #801F36

split-complementary

#66801F #1F3680 #691F80

monochromatic

#171D07 #3F4F13 #66801F #8DB12B #ADD247

Accessibility & contrast

On white

4.49

#66801F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#66801F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66801F

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66801F	#FFFFFF	#000000	##000000
##66801F	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88780C

Deuteranopia (green-blind)

#847728

Tritanopia (blue-blind)

#6B796D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #66801f;
/* rgb */ color: rgb(102, 128, 31);
/* oklch */ color: oklch(56.0% 0.124 123.7);

Tailwind

colors: {
  custom: {
    50: '#95a562',
    500: '#66801f',
    950: '#000000',
  },
}

SCSS

$custom: #66801f;
$custom-light: #95a562;
$custom-dark: #000000;

JSON

{
  "hex": "#66801f",
  "rgb": {
    "r": 102,
    "g": 128,
    "b": 31
  },
  "hsl": {
    "h": 76.082,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.56033,
    "c": 0.12425,
    "h": 123.7
  },
  "luminance": 0.18362
}

Semantic roles & 50–950 ramp

primary

#66801F

secondary

#6548B3

accent

#44E46F

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66801F

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

Preview Lab → · Contrast checker → · Palette generator →