#66CA34#66CA34

#66CA34 is a light, highly saturated green. Relative luminance 0.453; OKLCH L 75.0% C 0.205 H 137.5°. Best body text is #000000 at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#66CA34
RGB	rgb(102, 202, 52)
HSL	hsl(100, 59%, 50%)
HSV	hsv(100, 74%, 79%)
CMYK	cmyk(49.5%, 0%, 74.3%, 20.8%)
CIE-LAB	lab(73.10, -54.47, 61.73)
CIE-LCH	lch(73.10, 82.32, 131.43°)
OKLab	oklab(75% -0.1509 0.1385)
OKLCH	oklch(75% 0.205 137.5)
XYZ	xyz(27.2190, 45.3118, 10.5599)
Luminance	0.4531 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CA34 #9834CA

analogous

#B1CA34 #66CA34 #34CA4D

triadic

#66CA34 #3466CA #CA3466

tetradic

#66CA34 #34B1CA #9834CA #CA4D34

square

#66CA34 #34B1CA #9834CA #CA4D34

split-complementary

#66CA34 #4D34CA #CA34B1

monochromatic

#35691B #4D9927 #66CA34 #8AD764 #AFE495

Accessibility & contrast

On white

2.09

#66CA34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.06

#66CA34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CA34

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CA34	#FFFFFF	#000000	##000000
##66CA34	1.00	2.09	10.06	10.06
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.06	21.00	1.00	1.00
##000000	10.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B914

Deuteranopia (green-blind)

#C4B044

Tritanopia (blue-blind)

#5FC3AD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #66ca34;
/* rgb */ color: rgb(102, 202, 52);
/* oklch */ color: oklch(75.0% 0.205 137.5);

Tailwind

colors: {
  custom: {
    50: '#9bdb76',
    500: '#66ca34',
    950: '#000000',
  },
}

SCSS

$custom: #66ca34;
$custom-light: #9bdb76;
$custom-dark: #000000;

JSON

{
  "hex": "#66ca34",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 52
  },
  "hsl": {
    "h": 100,
    "s": 59.055,
    "l": 49.804
  },
  "oklch": {
    "l": 0.74996,
    "c": 0.20485,
    "h": 137.5
  },
  "luminance": 0.45314
}

Semantic roles & 50–950 ramp

primary

#66CA34

secondary

#B88BCF

accent

#46E2AE

background

#FAFDF7

surface

#F3FBED

border

#CDD4C8

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #66CA34

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

Preview Lab → · Contrast checker → · Palette generator →