#66E561#66E561

#66E561 is a very light, highly saturated green. Relative luminance 0.597; OKLCH L 82.2% C 0.207 H 142.8°. Best body text is #000000 at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#66E561
RGB	rgb(102, 229, 97)
HSL	hsl(118, 72%, 64%)
HSV	hsv(118, 58%, 90%)
CMYK	cmyk(55.5%, 0%, 57.6%, 10.2%)
CIE-LAB	lab(81.69, -60.46, 52.95)
CIE-LCH	lch(81.69, 80.38, 138.79°)
OKLab	oklab(82.19% -0.1645 0.125)
OKLCH	oklch(82.19% 0.207 142.8)
XYZ	xyz(35.6546, 59.7234, 20.9558)
Luminance	0.5973 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E561 #E061E5

analogous

#A8E561 #66E561 #61E59E

triadic

#66E561 #6166E5 #E56166

tetradic

#66E561 #61A8E5 #E061E5 #E59E61

square

#66E561 #61A8E5 #E061E5 #E59E61

split-complementary

#66E561 #9E61E5 #E561A8

monochromatic

#22AF1D #33DC2C #66E561 #99EE96 #CCF6CA

Accessibility & contrast

On white

1.62

#66E561 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.95

#66E561 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E561

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E561	#FFFFFF	#000000	##000000
##66E561	1.00	1.62	12.95	12.95
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.95	21.00	1.00	1.00
##000000	12.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD253

Deuteranopia (green-blind)

#D9C76B

Tritanopia (blue-blind)

#52DFC8

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e561;
/* rgb */ color: rgb(102, 229, 97);
/* oklch */ color: oklch(82.2% 0.207 142.8);

Tailwind

colors: {
  custom: {
    50: '#9cee92',
    500: '#66e561',
    950: '#000000',
  },
}

SCSS

$custom: #66e561;
$custom-light: #9cee92;
$custom-dark: #000000;

JSON

{
  "hex": "#66e561",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 97
  },
  "hsl": {
    "h": 117.727,
    "s": 71.739,
    "l": 63.922
  },
  "oklch": {
    "l": 0.82185,
    "c": 0.20662,
    "h": 142.8
  },
  "luminance": 0.59726
}

Semantic roles & 50–950 ramp

primary

#66E561

secondary

#AB3AB0

accent

#12D4CC

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160D

muted

#80857F

Preview Lab

Preview with #66E561

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

Preview Lab → · Contrast checker → · Palette generator →