#66EB5E#66EB5E

#66EB5E is a very light, highly saturated green. Relative luminance 0.630; OKLCH L 83.6% C 0.216 H 142.4°. Best body text is #000000 at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#66EB5E
RGB	rgb(102, 235, 94)
HSL	hsl(117, 78%, 65%)
HSV	hsv(117, 60%, 92%)
CMYK	cmyk(56.6%, 0%, 60%, 7.8%)
CIE-LAB	lab(83.47, -62.98, 56.32)
CIE-LCH	lch(83.47, 84.48, 138.20°)
OKLab	oklab(83.64% -0.1715 0.132)
OKLCH	oklch(83.64% 0.216 142.4)
XYZ	xyz(37.2063, 63.0463, 20.7960)
Luminance	0.6305 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EB5E #E35EEB

analogous

#ACEB5E #66EB5E #5EEB9D

triadic

#66EB5E #5E66EB #EB5E66

tetradic

#66EB5E #5EACEB #E35EEB #EB9D5E

square

#66EB5E #5EACEB #E35EEB #EB9D5E

split-complementary

#66EB5E #9D5EEB #EB5EAC

monochromatic

#20B817 #32E428 #66EB5E #9AF294 #CDF9CB

Accessibility & contrast

On white

1.54

#66EB5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.61

#66EB5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EB5E

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EB5E	#FFFFFF	#000000	##000000
##66EB5E	1.00	1.54	13.61	13.61
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.61	21.00	1.00	1.00
##000000	13.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D74F

Deuteranopia (green-blind)

#DFCC69

Tritanopia (blue-blind)

#51E4CD

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66eb5e;
/* rgb */ color: rgb(102, 235, 94);
/* oklch */ color: oklch(83.6% 0.216 142.4);

Tailwind

colors: {
  custom: {
    50: '#9df290',
    500: '#66eb5e',
    950: '#000000',
  },
}

SCSS

$custom: #66eb5e;
$custom-light: #9df290;
$custom-dark: #000000;

JSON

{
  "hex": "#66eb5e",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 94
  },
  "hsl": {
    "h": 116.596,
    "s": 77.901,
    "l": 64.51
  },
  "oklch": {
    "l": 0.83641,
    "c": 0.21639,
    "h": 142.4
  },
  "luminance": 0.6305
}

Semantic roles & 50–950 ramp

primary

#66EB5E

secondary

#B036B7

accent

#0BDACE

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66EB5E

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

Preview Lab → · Contrast checker → · Palette generator →