#66E489#66E489

#66E489 is a very light, vivid green. Relative luminance 0.601; OKLCH L 82.5% C 0.170 H 150.2°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#66E489
RGB	rgb(102, 228, 137)
HSL	hsl(137, 70%, 65%)
HSV	hsv(137, 55%, 89%)
CMYK	cmyk(55.3%, 0%, 39.9%, 10.6%)
CIE-LAB	lab(81.90, -54.50, 34.08)
CIE-LCH	lch(81.90, 64.27, 147.98°)
OKLab	oklab(82.53% -0.1476 0.0845)
OKLCH	oklch(82.53% 0.17 150.2)
XYZ	xyz(37.7356, 60.1144, 33.2767)
Luminance	0.6012 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E489 #E466C1

analogous

#82E466 #66E489 #66E4C8

triadic

#66E489 #8966E4 #E48966

tetradic

#66E489 #6682E4 #E466C1 #E4C866

square

#66E489 #6682E4 #E466C1 #E4C866

split-complementary

#66E489 #C866E4 #E46682

monochromatic

#1FB048 #32DB61 #66E489 #9AEDB1 #CEF6D9

Accessibility & contrast

On white

1.61

#66E489 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#66E489 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E489

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E489	#FFFFFF	#000000	##000000
##66E489	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)

#E5D383

Deuteranopia (green-blind)

#D4C78F

Tritanopia (blue-blind)

#47E0CD

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66e489;
/* rgb */ color: rgb(102, 228, 137);
/* oklch */ color: oklch(82.5% 0.170 150.2);

Tailwind

colors: {
  custom: {
    50: '#9bedac',
    500: '#66e489',
    950: '#000000',
  },
}

SCSS

$custom: #66e489;
$custom-light: #9bedac;
$custom-dark: #000000;

JSON

{
  "hex": "#66e489",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 137
  },
  "hsl": {
    "h": 136.667,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.82526,
    "c": 0.17011,
    "h": 150.2
  },
  "luminance": 0.60118
}

Semantic roles & 50–950 ramp

primary

#66E489

secondary

#B13D91

accent

#149DD2

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1610

muted

#808581

Preview Lab

Preview with #66E489

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

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