#66B726#66B726

#66B726 is a light, vivid yellow-green. Relative luminance 0.368; OKLCH L 70.1% C 0.190 H 135.0°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#66B726
RGB	rgb(102, 183, 38)
HSL	hsl(94, 66%, 43%)
HSV	hsv(94, 79%, 72%)
CMYK	cmyk(44.3%, 0%, 79.2%, 28.2%)
CIE-LAB	lab(67.15, -47.90, 60.50)
CIE-LCH	lch(67.15, 77.17, 128.37°)
OKLab	oklab(70.08% -0.1341 0.1339)
OKLCH	oklch(70.08% 0.19 135)
XYZ	xyz(22.7623, 36.8304, 7.7429)
Luminance	0.3683 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B726 #7726B7

analogous

#AEB726 #66B726 #26B72E

triadic

#66B726 #2666B7 #B72666

tetradic

#66B726 #26AEB7 #7726B7 #B72E26

square

#66B726 #26AEB7 #7726B7 #B72E26

split-complementary

#66B726 #2E26B7 #B726AE

monochromatic

#2E5211 #4A841B #66B726 #84D842 #A5E275

Accessibility & contrast

On white

2.51

#66B726 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#66B726 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B726

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B726	#FFFFFF	#000000	##000000
##66B726	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)

#B3A136

Tritanopia (blue-blind)

#64B09C

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #66b726;
/* rgb */ color: rgb(102, 183, 38);
/* oklch */ color: oklch(70.1% 0.190 135.0);

Tailwind

colors: {
  custom: {
    50: '#99cd6d',
    500: '#66b726',
    950: '#000000',
  },
}

SCSS

$custom: #66b726;
$custom-light: #99cd6d;
$custom-dark: #000000;

JSON

{
  "hex": "#66b726",
  "rgb": {
    "r": 102,
    "g": 183,
    "b": 38
  },
  "hsl": {
    "h": 93.517,
    "s": 65.611,
    "l": 43.333
  },
  "oklch": {
    "l": 0.70085,
    "c": 0.18954,
    "h": 135
  },
  "luminance": 0.36832
}

Semantic roles & 50–950 ramp

primary

#66B726

secondary

#A26FCA

accent

#3FE99E

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0F1308

muted

#7E827B

Preview Lab

Preview with #66B726

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

Preview Lab → · Contrast checker → · Palette generator →