#66E488#66E488

#66E488 is a very light, vivid green. Relative luminance 0.601; OKLCH L 82.5% C 0.171 H 150.0°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#66E488
RGB	rgb(102, 228, 136)
HSL	hsl(136, 70%, 65%)
HSV	hsv(136, 55%, 89%)
CMYK	cmyk(55.3%, 0%, 40.4%, 10.6%)
CIE-LAB	lab(81.88, -54.66, 34.56)
CIE-LCH	lch(81.88, 64.67, 147.70°)
OKLab	oklab(82.51% -0.148 0.0856)
OKLCH	oklch(82.51% 0.171 150)
XYZ	xyz(37.6642, 60.0858, 32.9007)
Luminance	0.6009 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E488 #E466C2

analogous

#83E466 #66E488 #66E4C7

triadic

#66E488 #8866E4 #E48866

tetradic

#66E488 #6683E4 #E466C2 #E4C766

square

#66E488 #6683E4 #E466C2 #E4C766

split-complementary

#66E488 #C766E4 #E46683

monochromatic

#1FB046 #32DB60 #66E488 #9AEDB0 #CEF6D9

Accessibility & contrast

On white

1.61

#66E488 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#66E488 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E488

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E488	#FFFFFF	#000000	##000000
##66E488	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D381

Deuteranopia (green-blind)

#D4C78E

Tritanopia (blue-blind)

#47E0CD

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66e488;
/* rgb */ color: rgb(102, 228, 136);
/* oklch */ color: oklch(82.5% 0.171 150.0);

Tailwind

colors: {
  custom: {
    50: '#9bedab',
    500: '#66e488',
    950: '#000000',
  },
}

SCSS

$custom: #66e488;
$custom-light: #9bedab;
$custom-dark: #000000;

JSON

{
  "hex": "#66e488",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 136
  },
  "hsl": {
    "h": 136.19,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.82509,
    "c": 0.17104,
    "h": 150
  },
  "luminance": 0.60089
}

Semantic roles & 50–950 ramp

primary

#66E488

secondary

#B13D92

accent

#149FD2

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1610

muted

#808581

Preview Lab

Preview with #66E488

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

Preview Lab → · Contrast checker → · Palette generator →