#66E59E#66E59E

#66E59E is a very light, vivid green. Relative luminance 0.613; OKLCH L 83.2% C 0.152 H 156.3°. Best body text is #000000 at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#66E59E
RGB	rgb(102, 229, 158)
HSL	hsl(146, 71%, 65%)
HSV	hsv(146, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 31%, 10.2%)
CIE-LAB	lab(82.56, -51.15, 24.23)
CIE-LCH	lch(82.56, 56.60, 154.65°)
OKLab	oklab(83.18% -0.1394 0.0613)
OKLCH	oklch(83.18% 0.152 156.3)
XYZ	xyz(39.6671, 61.3284, 42.0883)
Luminance	0.6133 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E59E #E566AD

analogous

#6DE566 #66E59E #66E5DE

triadic

#66E59E #9E66E5 #E59E66

tetradic

#66E59E #666DE5 #E566AD #E5DE66

square

#66E59E #666DE5 #E566AD #E5DE66

split-complementary

#66E59E #DE66E5 #E5666D

monochromatic

#1EB260 #32DC7D #66E59E #9AEEBF #CFF7E0

Accessibility & contrast

On white

1.58

#66E59E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.27

#66E59E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E59E

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E59E	#FFFFFF	#000000	##000000
##66E59E	1.00	1.58	13.27	13.27
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.27	21.00	1.00	1.00
##000000	13.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4D59A

Deuteranopia (green-blind)

#D2C8A2

Tritanopia (blue-blind)

#3CE3D2

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66e59e;
/* rgb */ color: rgb(102, 229, 158);
/* oklch */ color: oklch(83.2% 0.152 156.3);

Tailwind

colors: {
  custom: {
    50: '#9beebb',
    500: '#66e59e',
    950: '#000000',
  },
}

SCSS

$custom: #66e59e;
$custom-light: #9beebb;
$custom-dark: #000000;

JSON

{
  "hex": "#66e59e",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 158
  },
  "hsl": {
    "h": 146.457,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.8318,
    "c": 0.15232,
    "h": 156.3
  },
  "luminance": 0.61332
}

Semantic roles & 50–950 ramp

primary

#66E59E

secondary

#B33C7F

accent

#137ED3

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1611

muted

#808581

Preview Lab

Preview with #66E59E

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

Preview Lab → · Contrast checker → · Palette generator →