#66E93B#66E93B

#66E93B is a very light, highly saturated green. Relative luminance 0.614; OKLCH L 82.8% C 0.237 H 139.4°. Best body text is #000000 at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#66E93B
RGB	rgb(102, 233, 59)
HSL	hsl(105, 80%, 57%)
HSV	hsv(105, 75%, 91%)
CMYK	cmyk(56.2%, 0%, 74.7%, 8.6%)
CIE-LAB	lab(82.60, -65.24, 68.76)
CIE-LCH	lch(82.60, 94.78, 133.50°)
OKLab	oklab(82.84% -0.1795 0.1542)
OKLCH	oklch(82.84% 0.237 139.4)
XYZ	xyz(35.4063, 61.4153, 14.1254)
Luminance	0.6142 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E93B #BE3BE9

analogous

#BDE93B #66E93B #3BE967

triadic

#66E93B #3B66E9 #E93B66

tetradic

#66E93B #3BBDE9 #BE3BE9 #E9673B

square

#66E93B #3BBDE9 #BE3BE9 #E9673B

split-complementary

#66E93B #673BE9 #E93BBD

monochromatic

#339811 #45D017 #66E93B #91EF72 #BCF5A9

Accessibility & contrast

On white

1.58

#66E93B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.28

#66E93B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E93B

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E93B	#FFFFFF	#000000	##000000
##66E93B	1.00	1.58	13.28	13.28
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.28	21.00	1.00	1.00
##000000	13.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D413

Deuteranopia (green-blind)

#DFC94E

Tritanopia (blue-blind)

#58E1C8

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66e93b;
/* rgb */ color: rgb(102, 233, 59);
/* oklch */ color: oklch(82.8% 0.237 139.4);

Tailwind

colors: {
  custom: {
    50: '#9ff17d',
    500: '#66e93b',
    950: '#000000',
  },
}

SCSS

$custom: #66e93b;
$custom-light: #9ff17d;
$custom-dark: #000000;

JSON

{
  "hex": "#66e93b",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 59
  },
  "hsl": {
    "h": 105.172,
    "s": 79.817,
    "l": 57.255
  },
  "oklch": {
    "l": 0.82843,
    "c": 0.23665,
    "h": 139.4
  },
  "luminance": 0.61418
}

Semantic roles & 50–950 ramp

primary

#66E93B

secondary

#802C9C

accent

#32F6C6

background

#FDFFFB

surface

#F7FEF2

border

#D0D6CC

text

#10170A

muted

#81857D

Preview Lab

Preview with #66E93B

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

Preview Lab → · Contrast checker → · Palette generator →