#66A723#66A723

#66A723 is a light, vivid yellow-green. Relative luminance 0.306; OKLCH L 66.0% C 0.172 H 133.0°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#66A723
RGB	rgb(102, 167, 35)
HSL	hsl(90, 65%, 40%)
HSV	hsv(90, 79%, 65%)
CMYK	cmyk(38.9%, 0%, 79%, 34.5%)
CIE-LAB	lab(62.15, -41.46, 56.74)
CIE-LCH	lch(62.15, 70.28, 126.16°)
OKLab	oklab(65.99% -0.117 0.1256)
OKLCH	oklch(65.99% 0.172 133)
XYZ	xyz(19.6013, 30.5826, 6.4600)
Luminance	0.3058 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A723 #6423A7

analogous

#A7A623 #66A723 #24A723

triadic

#66A723 #2366A7 #A72366

tetradic

#66A723 #23A7A6 #6423A7 #A72324

square

#66A723 #23A7A6 #6423A7 #A72324

split-complementary

#66A723 #2324A7 #A623A7

monochromatic

#28420E #477418 #66A723 #85D433 #A3DF66

Accessibility & contrast

On white

2.95

#66A723 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#66A723 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A723

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A723	#FFFFFF	#000000	##000000
##66A723	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9900

Deuteranopia (green-blind)

#A59432

Tritanopia (blue-blind)

#66A08F

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #66a723;
/* rgb */ color: rgb(102, 167, 35);
/* oklch */ color: oklch(66.0% 0.172 133.0);

Tailwind

colors: {
  custom: {
    50: '#97c169',
    500: '#66a723',
    950: '#000000',
  },
}

SCSS

$custom: #66a723;
$custom-light: #97c169;
$custom-dark: #000000;

JSON

{
  "hex": "#66a723",
  "rgb": {
    "r": 102,
    "g": 167,
    "b": 35
  },
  "hsl": {
    "h": 89.545,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.65986,
    "c": 0.17163,
    "h": 133
  },
  "luminance": 0.30584
}

Semantic roles & 50–950 ramp

primary

#66A723

secondary

#9261C4

accent

#3FE893

background

#F9FBF6

surface

#F2F7EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A723

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

Preview Lab → · Contrast checker → · Palette generator →