#66EB5F#66EB5F

#66EB5F is a very light, highly saturated green. Relative luminance 0.631; OKLCH L 83.7% C 0.216 H 142.5°. Best body text is #000000 at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#66EB5F
RGB	rgb(102, 235, 95)
HSL	hsl(117, 78%, 65%)
HSV	hsv(117, 60%, 92%)
CMYK	cmyk(56.6%, 0%, 59.6%, 7.8%)
CIE-LAB	lab(83.48, -62.87, 55.90)
CIE-LCH	lch(83.48, 84.12, 138.36°)
OKLab	oklab(83.65% -0.1712 0.1311)
OKLCH	oklch(83.65% 0.216 142.5)
XYZ	xyz(37.2514, 63.0644, 21.0338)
Luminance	0.6307 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EB5F #E45FEB

analogous

#ACEB5F #66EB5F #5FEB9E

triadic

#66EB5F #5F66EB #EB5F66

tetradic

#66EB5F #5FACEB #E45FEB #EB9E5F

square

#66EB5F #5FACEB #E45FEB #EB9E5F

split-complementary

#66EB5F #9E5FEB #EB5FAC

monochromatic

#1FB917 #32E429 #66EB5F #9AF295 #CEF9CC

Accessibility & contrast

On white

1.54

#66EB5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.61

#66EB5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EB5F

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EB5F	#FFFFFF	#000000	##000000
##66EB5F	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)

#F0D750

Deuteranopia (green-blind)

#DFCC6A

Tritanopia (blue-blind)

#51E5CD

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66eb5f;
/* rgb */ color: rgb(102, 235, 95);
/* oklch */ color: oklch(83.7% 0.216 142.5);

Tailwind

colors: {
  custom: {
    50: '#9df291',
    500: '#66eb5f',
    950: '#000000',
  },
}

SCSS

$custom: #66eb5f;
$custom-light: #9df291;
$custom-dark: #000000;

JSON

{
  "hex": "#66eb5f",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 95
  },
  "hsl": {
    "h": 117,
    "s": 77.778,
    "l": 64.706
  },
  "oklch": {
    "l": 0.83652,
    "c": 0.21562,
    "h": 142.5
  },
  "luminance": 0.63068
}

Semantic roles & 50–950 ramp

primary

#66EB5F

secondary

#B136B8

accent

#0BDAD0

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #66EB5F

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

Preview Lab → · Contrast checker → · Palette generator →