#66A023#66A023

#66A023 is a light, vivid yellow-green. Relative luminance 0.281; OKLCH L 64.2% C 0.163 H 131.9°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#66A023
RGB	rgb(102, 160, 35)
HSL	hsl(88, 64%, 38%)
HSV	hsv(88, 78%, 63%)
CMYK	cmyk(36.2%, 0%, 78.1%, 37.3%)
CIE-LAB	lab(59.97, -38.45, 54.68)
CIE-LCH	lch(59.97, 66.85, 125.11°)
OKLab	oklab(64.2% -0.1088 0.1213)
OKLCH	oklch(64.2% 0.163 131.9)
XYZ	xyz(18.3535, 28.0870, 6.0441)
Luminance	0.2809 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A023 #5D23A0

analogous

#A09B23 #66A023 #27A023

triadic

#66A023 #2366A0 #A02366

tetradic

#66A023 #23A09B #5D23A0 #A02327

square

#66A023 #23A09B #5D23A0 #A02327

split-complementary

#66A023 #2327A0 #9B23A0

monochromatic

#263C0D #466E18 #66A023 #86D12F #A3DC61

Accessibility & contrast

On white

3.17

#66A023 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#66A023 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A023

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A023	#FFFFFF	#000000	##000000
##66A023	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79301

Deuteranopia (green-blind)

#9F8F30

Tritanopia (blue-blind)

#679989

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #66a023;
/* rgb */ color: rgb(102, 160, 35);
/* oklch */ color: oklch(64.2% 0.163 131.9);

Tailwind

colors: {
  custom: {
    50: '#97bc68',
    500: '#66a023',
    950: '#000000',
  },
}

SCSS

$custom: #66a023;
$custom-light: #97bc68;
$custom-dark: #000000;

JSON

{
  "hex": "#66a023",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 35
  },
  "hsl": {
    "h": 87.84,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.64199,
    "c": 0.16294,
    "h": 131.9
  },
  "luminance": 0.28088
}

Semantic roles & 50–950 ramp

primary

#66A023

secondary

#8C5DC1

accent

#41E78E

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A023

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

Preview Lab → · Contrast checker → · Palette generator →