#66B730#66B730

#66B730 is a light, vivid yellow-green. Relative luminance 0.369; OKLCH L 70.1% C 0.184 H 135.7°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#66B730
RGB	rgb(102, 183, 48)
HSL	hsl(96, 58%, 45%)
HSV	hsv(96, 74%, 72%)
CMYK	cmyk(44.3%, 0%, 73.8%, 28.2%)
CIE-LAB	lab(67.20, -47.31, 57.28)
CIE-LCH	lch(67.20, 74.29, 129.55°)
OKLab	oklab(70.15% -0.1319 0.1287)
OKLCH	oklch(70.15% 0.184 135.7)
XYZ	xyz(22.9459, 36.9038, 8.7098)
Luminance	0.3690 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B730 #8130B7

analogous

#A9B730 #66B730 #30B73D

triadic

#66B730 #3066B7 #B73066

tetradic

#66B730 #30A9B7 #8130B7 #B73D30

square

#66B730 #30A9B7 #8130B7 #B73D30

split-complementary

#66B730 #3D30B7 #B730A9

monochromatic

#305617 #4B8723 #66B730 #85D252 #A8DE83

Accessibility & contrast

On white

2.51

#66B730 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#66B730 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B730

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B730	#FFFFFF	#000000	##000000
##66B730	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA816

Deuteranopia (green-blind)

#B3A13D

Tritanopia (blue-blind)

#63B09D

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #66b730;
/* rgb */ color: rgb(102, 183, 48);
/* oklch */ color: oklch(70.1% 0.184 135.7);

Tailwind

colors: {
  custom: {
    50: '#98cd71',
    500: '#66b730',
    950: '#000000',
  },
}

SCSS

$custom: #66b730;
$custom-light: #98cd71;
$custom-dark: #000000;

JSON

{
  "hex": "#66b730",
  "rgb": {
    "r": 102,
    "g": 183,
    "b": 48
  },
  "hsl": {
    "h": 96,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.70148,
    "c": 0.18424,
    "h": 135.7
  },
  "luminance": 0.36905
}

Semantic roles & 50–950 ramp

primary

#66B730

secondary

#A97BC8

accent

#46E2A3

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B730

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

Preview Lab → · Contrast checker → · Palette generator →