#66B430#66B430

#66B430 is a light, vivid yellow-green. Relative luminance 0.357; OKLCH L 69.4% C 0.181 H 135.4°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#66B430
RGB	rgb(102, 180, 48)
HSL	hsl(95, 58%, 45%)
HSV	hsv(95, 73%, 71%)
CMYK	cmyk(43.3%, 0%, 73.3%, 29.4%)
CIE-LAB	lab(66.27, -46.09, 56.36)
CIE-LCH	lch(66.27, 72.80, 129.28°)
OKLab	oklab(69.38% -0.1286 0.1267)
OKLCH	oklch(69.38% 0.181 135.4)
XYZ	xyz(22.3337, 35.6794, 8.5057)
Luminance	0.3568 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B430 #7E30B4

analogous

#A8B430 #66B430 #30B43C

triadic

#66B430 #3066B4 #B43066

tetradic

#66B430 #30A8B4 #7E30B4 #B43C30

square

#66B430 #30A8B4 #7E30B4 #B43C30

split-complementary

#66B430 #3C30B4 #B430A8

monochromatic

#2F5316 #4B8423 #66B430 #85D151 #A7DD81

Accessibility & contrast

On white

2.58

#66B430 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.14

#66B430 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B430

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B430	#FFFFFF	#000000	##000000
##66B430	1.00	2.58	8.14	8.14
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.14	21.00	1.00	1.00
##000000	8.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA517

Deuteranopia (green-blind)

#B09F3D

Tritanopia (blue-blind)

#64AD9A

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #66b430;
/* rgb */ color: rgb(102, 180, 48);
/* oklch */ color: oklch(69.4% 0.181 135.4);

Tailwind

colors: {
  custom: {
    50: '#98cb71',
    500: '#66b430',
    950: '#000000',
  },
}

SCSS

$custom: #66b430;
$custom-light: #98cb71;
$custom-dark: #000000;

JSON

{
  "hex": "#66b430",
  "rgb": {
    "r": 102,
    "g": 180,
    "b": 48
  },
  "hsl": {
    "h": 95.455,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.69384,
    "c": 0.18054,
    "h": 135.4
  },
  "luminance": 0.35681
}

Semantic roles & 50–950 ramp

primary

#66B430

secondary

#A779C6

accent

#47E1A2

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B430

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

Preview Lab → · Contrast checker → · Palette generator →