#66971C#66971C

#66971C is a mid, vivid yellow-green. Relative luminance 0.250; OKLCH L 61.9% C 0.155 H 129.8°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#66971C
RGB	rgb(102, 151, 28)
HSL	hsl(84, 69%, 35%)
HSV	hsv(84, 81%, 59%)
CMYK	cmyk(32.5%, 0%, 81.5%, 40.8%)
CIE-LAB	lab(57.12, -34.80, 54.21)
CIE-LCH	lch(57.12, 64.42, 122.70°)
OKLab	oklab(61.86% -0.0994 0.1192)
OKLCH	oklch(61.86% 0.155 129.8)
XYZ	xyz(16.7556, 25.0413, 5.0490)
Luminance	0.2504 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66971C #4D1C97

analogous

#978A1C #66971C #29971C

triadic

#66971C #1C6697 #971C66

tetradic

#66971C #1C978A #4D1C97 #971C29

square

#66971C #1C978A #4D1C97 #971C29

split-complementary

#66971C #1C2997 #8A1C97

monochromatic

#203009 #436312 #66971C #89CB26 #A5DE4F

Accessibility & contrast

On white

3.50

#66971C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#66971C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66971C

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66971C	#FFFFFF	#000000	##000000
##66971C	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8B00

Deuteranopia (green-blind)

#98882A

Tritanopia (blue-blind)

#699081

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #66971c;
/* rgb */ color: rgb(102, 151, 28);
/* oklch */ color: oklch(61.9% 0.155 129.8);

Tailwind

colors: {
  custom: {
    50: '#96b664',
    500: '#66971c',
    950: '#000000',
  },
}

SCSS

$custom: #66971c;
$custom-light: #96b664;
$custom-dark: #000000;

JSON

{
  "hex": "#66971c",
  "rgb": {
    "r": 102,
    "g": 151,
    "b": 28
  },
  "hsl": {
    "h": 83.902,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.61861,
    "c": 0.15522,
    "h": 129.8
  },
  "luminance": 0.25042
}

Semantic roles & 50–950 ramp

primary

#66971C

secondary

#7C4EC1

accent

#3CEC82

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #66971C

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

Preview Lab → · Contrast checker → · Palette generator →