#66E58E#66E58E

#66E58E is a very light, vivid green. Relative luminance 0.608; OKLCH L 82.9% C 0.167 H 151.4°. Best body text is #000000 at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#66E58E
RGB	rgb(102, 229, 142)
HSL	hsl(139, 71%, 65%)
HSV	hsv(139, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 38%, 10.2%)
CIE-LAB	lab(82.28, -54.05, 32.05)
CIE-LCH	lch(82.28, 62.84, 149.33°)
OKLab	oklab(82.86% -0.1465 0.0799)
OKLCH	oklch(82.86% 0.167 151.4)
XYZ	xyz(38.3785, 60.8129, 35.3015)
Luminance	0.6082 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E58E #E566BD

analogous

#7DE566 #66E58E #66E5CE

triadic

#66E58E #8E66E5 #E58E66

tetradic

#66E58E #667DE5 #E566BD #E5CE66

square

#66E58E #667DE5 #E566BD #E5CE66

split-complementary

#66E58E #CE66E5 #E5667D

monochromatic

#1EB24D #32DC67 #66E58E #9AEEB5 #CFF7DB

Accessibility & contrast

On white

1.60

#66E58E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.16

#66E58E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E58E

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E58E	#FFFFFF	#000000	##000000
##66E58E	1.00	1.60	13.16	13.16
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.16	21.00	1.00	1.00
##000000	13.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D488

Deuteranopia (green-blind)

#D4C894

Tritanopia (blue-blind)

#44E2CF

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66e58e;
/* rgb */ color: rgb(102, 229, 142);
/* oklch */ color: oklch(82.9% 0.167 151.4);

Tailwind

colors: {
  custom: {
    50: '#9beeb0',
    500: '#66e58e',
    950: '#000000',
  },
}

SCSS

$custom: #66e58e;
$custom-light: #9beeb0;
$custom-dark: #000000;

JSON

{
  "hex": "#66e58e",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 142
  },
  "hsl": {
    "h": 138.898,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.82862,
    "c": 0.16686,
    "h": 151.4
  },
  "luminance": 0.60816
}

Semantic roles & 50–950 ramp

primary

#66E58E

secondary

#B33C8E

accent

#1396D3

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1610

muted

#808581

Preview Lab

Preview with #66E58E

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

Preview Lab → · Contrast checker → · Palette generator →