#66B727#66B727

#66B727 is a light, vivid yellow-green. Relative luminance 0.368; OKLCH L 70.1% C 0.189 H 135.1°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#66B727
RGB	rgb(102, 183, 39)
HSL	hsl(94, 65%, 44%)
HSV	hsv(94, 79%, 72%)
CMYK	cmyk(44.3%, 0%, 78.7%, 28.2%)
CIE-LAB	lab(67.15, -47.85, 60.20)
CIE-LCH	lch(67.15, 76.90, 128.48°)
OKLab	oklab(70.09% -0.1339 0.1335)
OKLCH	oklch(70.09% 0.189 135.1)
XYZ	xyz(22.7787, 36.8369, 7.8290)
Luminance	0.3684 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B727 #7827B7

analogous

#AEB727 #66B727 #27B730

triadic

#66B727 #2766B7 #B72766

tetradic

#66B727 #27AEB7 #7827B7 #B73027

square

#66B727 #27AEB7 #7827B7 #B73027

split-complementary

#66B727 #3027B7 #B727AE

monochromatic

#2E5211 #4A851C #66B727 #84D744 #A5E276

Accessibility & contrast

On white

2.51

#66B727 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#66B727 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B727

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B727	#FFFFFF	#000000	##000000
##66B727	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA800

Deuteranopia (green-blind)

#B3A137

Tritanopia (blue-blind)

#64B09C

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #66b727;
/* rgb */ color: rgb(102, 183, 39);
/* oklch */ color: oklch(70.1% 0.189 135.1);

Tailwind

colors: {
  custom: {
    50: '#99cd6d',
    500: '#66b727',
    950: '#000000',
  },
}

SCSS

$custom: #66b727;
$custom-light: #99cd6d;
$custom-dark: #000000;

JSON

{
  "hex": "#66b727",
  "rgb": {
    "r": 102,
    "g": 183,
    "b": 39
  },
  "hsl": {
    "h": 93.75,
    "s": 64.865,
    "l": 43.529
  },
  "oklch": {
    "l": 0.7009,
    "c": 0.18905,
    "h": 135.1
  },
  "luminance": 0.36838
}

Semantic roles & 50–950 ramp

primary

#66B727

secondary

#A270C9

accent

#40E89E

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0F1308

muted

#7E827B

Preview Lab

Preview with #66B727

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

Preview Lab → · Contrast checker → · Palette generator →