#66B330#66B330

#66B330 is a light, vivid yellow-green. Relative luminance 0.353; OKLCH L 69.1% C 0.179 H 135.3°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#66B330
RGB	rgb(102, 179, 48)
HSL	hsl(95, 58%, 45%)
HSV	hsv(95, 73%, 70%)
CMYK	cmyk(43%, 0%, 73.2%, 29.8%)
CIE-LAB	lab(65.96, -45.68, 56.05)
CIE-LCH	lch(65.96, 72.30, 129.18°)
OKLab	oklab(69.13% -0.1275 0.1261)
OKLCH	oklch(69.13% 0.179 135.3)
XYZ	xyz(22.1326, 35.2771, 8.4387)
Luminance	0.3528 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B330 #7D30B3

analogous

#A8B330 #66B330 #30B33C

triadic

#66B330 #3066B3 #B33066

tetradic

#66B330 #30A8B3 #7D30B3 #B33C30

square

#66B330 #30A8B3 #7D30B3 #B33C30

split-complementary

#66B330 #3C30B3 #B330A8

monochromatic

#2F5216 #4B8323 #66B330 #85D050 #A7DD80

Accessibility & contrast

On white

2.61

#66B330 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#66B330 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B330

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B330	#FFFFFF	#000000	##000000
##66B330	1.00	2.61	8.06	8.06
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA418

Deuteranopia (green-blind)

#AF9E3D

Tritanopia (blue-blind)

#64AC9A

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #66b330;
/* rgb */ color: rgb(102, 179, 48);
/* oklch */ color: oklch(69.1% 0.179 135.3);

Tailwind

colors: {
  custom: {
    50: '#98ca71',
    500: '#66b330',
    950: '#000000',
  },
}

SCSS

$custom: #66b330;
$custom-light: #98ca71;
$custom-dark: #000000;

JSON

{
  "hex": "#66b330",
  "rgb": {
    "r": 102,
    "g": 179,
    "b": 48
  },
  "hsl": {
    "h": 95.267,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.6913,
    "c": 0.1793,
    "h": 135.3
  },
  "luminance": 0.35278
}

Semantic roles & 50–950 ramp

primary

#66B330

secondary

#A679C6

accent

#47E1A1

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B330

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

Preview Lab → · Contrast checker → · Palette generator →