#66B930#66B930

#66B930 is a light, vivid yellow-green. Relative luminance 0.377; OKLCH L 70.7% C 0.187 H 135.9°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#66B930
RGB	rgb(102, 185, 48)
HSL	hsl(96, 59%, 46%)
HSV	hsv(96, 74%, 73%)
CMYK	cmyk(44.9%, 0%, 74.1%, 27.5%)
CIE-LAB	lab(67.82, -48.11, 57.90)
CIE-LCH	lch(67.82, 75.28, 129.73°)
OKLab	oklab(70.66% -0.134 0.13)
OKLCH	oklch(70.66% 0.187 135.9)
XYZ	xyz(23.3614, 37.7347, 8.8483)
Luminance	0.3774 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B930 #8330B9

analogous

#AAB930 #66B930 #30B93E

triadic

#66B930 #3066B9 #B93066

tetradic

#66B930 #30AAB9 #8330B9 #B93E30

square

#66B930 #30AAB9 #8330B9 #B93E30

split-complementary

#66B930 #3E30B9 #B930AA

monochromatic

#305817 #4B8823 #66B930 #86D354 #A8DF84

Accessibility & contrast

On white

2.46

#66B930 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#66B930 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B930

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B930	#FFFFFF	#000000	##000000
##66B930	1.00	2.46	8.55	8.55
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.55	21.00	1.00	1.00
##000000	8.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA14

Deuteranopia (green-blind)

#B5A33E

Tritanopia (blue-blind)

#63B29F

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #66b930;
/* rgb */ color: rgb(102, 185, 48);
/* oklch */ color: oklch(70.7% 0.187 135.9);

Tailwind

colors: {
  custom: {
    50: '#99cf72',
    500: '#66b930',
    950: '#000000',
  },
}

SCSS

$custom: #66b930;
$custom-light: #99cf72;
$custom-dark: #000000;

JSON

{
  "hex": "#66b930",
  "rgb": {
    "r": 102,
    "g": 185,
    "b": 48
  },
  "hsl": {
    "h": 96.35,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.70656,
    "c": 0.1867,
    "h": 135.9
  },
  "luminance": 0.37736
}

Semantic roles & 50–950 ramp

primary

#66B930

secondary

#AA7CC9

accent

#46E2A4

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #66B930

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

Preview Lab → · Contrast checker → · Palette generator →