#66EC89#66EC89

#66EC89 is a very light, vivid green. Relative luminance 0.646; OKLCH L 84.5% C 0.181 H 149.5°. Best body text is #000000 at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#66EC89
RGB	rgb(102, 236, 137)
HSL	hsl(136, 78%, 66%)
HSV	hsv(136, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 41.9%, 7.5%)
CIE-LAB	lab(84.29, -57.61, 37.19)
CIE-LCH	lch(84.29, 68.57, 147.16°)
OKLab	oklab(84.48% -0.1559 0.0918)
OKLCH	oklch(84.48% 0.181 149.5)
XYZ	xyz(39.9875, 64.6182, 34.0273)
Luminance	0.6462 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC89 #EC66C9

analogous

#86EC66 #66EC89 #66ECCC

triadic

#66EC89 #8966EC #EC8966

tetradic

#66EC89 #6686EC #EC66C9 #ECCC66

square

#66EC89 #6686EC #EC66C9 #ECCC66

split-complementary

#66EC89 #CC66EC #EC6686

monochromatic

#18C044 #30E55F #66EC89 #9CF3B3 #D3FADD

Accessibility & contrast

On white

1.51

#66EC89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.92

#66EC89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC89

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC89	#FFFFFF	#000000	##000000
##66EC89	1.00	1.51	13.92	13.92
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.92	21.00	1.00	1.00
##000000	13.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEDA82

Deuteranopia (green-blind)

#DCCD90

Tritanopia (blue-blind)

#44E8D4

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66ec89;
/* rgb */ color: rgb(102, 236, 137);
/* oklch */ color: oklch(84.5% 0.181 149.5);

Tailwind

colors: {
  custom: {
    50: '#9cf3ac',
    500: '#66ec89',
    950: '#000000',
  },
}

SCSS

$custom: #66ec89;
$custom-light: #9cf3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec89",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 137
  },
  "hsl": {
    "h": 135.672,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84484,
    "c": 0.18091,
    "h": 149.5
  },
  "luminance": 0.64622
}

Semantic roles & 50–950 ramp

primary

#66EC89

secondary

#BE389B

accent

#0BA4DA

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EC89

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

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