#66CD58#66CD58

#66CD58 is a light, vivid green. Relative luminance 0.472; OKLCH L 76.1% C 0.183 H 141.3°. Best body text is #000000 at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#66CD58
RGB	rgb(102, 205, 88)
HSL	hsl(113, 54%, 57%)
HSV	hsv(113, 57%, 80%)
CMYK	cmyk(50.2%, 0%, 57.1%, 19.6%)
CIE-LAB	lab(74.31, -52.39, 48.42)
CIE-LCH	lch(74.31, 71.34, 137.25°)
OKLab	oklab(76.09% -0.1431 0.1144)
OKLCH	oklch(76.09% 0.183 141.3)
XYZ	xyz(29.0709, 47.1898, 16.8073)
Luminance	0.4719 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CD58 #BF58CD

analogous

#A0CD58 #66CD58 #58CD85

triadic

#66CD58 #5866CD #CD5866

tetradic

#66CD58 #58A0CD #BF58CD #CD8558

square

#66CD58 #58A0CD #BF58CD #CD8558

split-complementary

#66CD58 #8558CD #CD58A0

monochromatic

#328327 #44B235 #66CD58 #91DB87 #BCE9B6

Accessibility & contrast

On white

2.01

#66CD58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.44

#66CD58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD58

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CD58	#FFFFFF	#000000	##000000
##66CD58	1.00	2.01	10.44	10.44
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.44	21.00	1.00	1.00
##000000	10.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BC4C

Deuteranopia (green-blind)

#C4B361

Tritanopia (blue-blind)

#5AC7B3

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66cd58;
/* rgb */ color: rgb(102, 205, 88);
/* oklch */ color: oklch(76.1% 0.183 141.3);

Tailwind

colors: {
  custom: {
    50: '#99dd8a',
    500: '#66cd58',
    950: '#000000',
  },
}

SCSS

$custom: #66cd58;
$custom-light: #99dd8a;
$custom-dark: #000000;

JSON

{
  "hex": "#66cd58",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 88
  },
  "hsl": {
    "h": 112.821,
    "s": 53.917,
    "l": 57.451
  },
  "oklch": {
    "l": 0.76089,
    "c": 0.18322,
    "h": 141.3
  },
  "luminance": 0.47192
}

Semantic roles & 50–950 ramp

primary

#66CD58

secondary

#D2A9D8

accent

#4BDDCC

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0F150C

muted

#7E837D

Preview Lab

Preview with #66CD58

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

Preview Lab → · Contrast checker → · Palette generator →