#42CC78#42CC78

#42CC78 is a light, vivid green. Relative luminance 0.457; OKLCH L 75.1% C 0.169 H 152.6°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#42CC78
RGB	rgb(66, 204, 120)
HSL	hsl(143, 58%, 53%)
HSV	hsv(143, 68%, 80%)
CMYK	cmyk(67.6%, 0%, 41.2%, 20%)
CIE-LAB	lab(73.35, -55.52, 31.33)
CIE-LCH	lch(73.35, 63.75, 150.56°)
OKLab	oklab(75.13% -0.1498 0.0777)
OKLCH	oklch(75.13% 0.169 152.6)
XYZ	xyz(27.2275, 45.6971, 25.1512)
Luminance	0.4570 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CC78 #CC4296

analogous

#51CC42 #42CC78 #42CCBD

triadic

#42CC78 #7842CC #CC7842

tetradic

#42CC78 #4251CC #CC4296 #CCBD42

square

#42CC78 #4251CC #CC4296 #CCBD42

split-complementary

#42CC78 #BD42CC #CC4251

monochromatic

#1F7441 #2CA45B #42CC78 #72D99A #A2E6BD

Accessibility & contrast

On white

2.07

#42CC78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#42CC78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC78

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CC78	#FFFFFF	#000000	##000000
##42CC78	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCBB72

Deuteranopia (green-blind)

#BBAF7E

Tritanopia (blue-blind)

#00C9B7

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42cc78;
/* rgb */ color: rgb(66, 204, 120);
/* oklch */ color: oklch(75.1% 0.169 152.6);

Tailwind

colors: {
  custom: {
    50: '#87dda0',
    500: '#42cc78',
    950: '#000000',
  },
}

SCSS

$custom: #42cc78;
$custom-light: #87dda0;
$custom-dark: #000000;

JSON

{
  "hex": "#42cc78",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 120
  },
  "hsl": {
    "h": 143.478,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.75132,
    "c": 0.16874,
    "h": 152.6
  },
  "luminance": 0.457
}

Semantic roles & 50–950 ramp

primary

#42CC78

secondary

#D397BB

accent

#47A5E1

background

#F8FDF9

surface

#F0FBF2

border

#CBD4CC

text

#0D150F

muted

#7D837E

Preview Lab

Preview with #42CC78

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

Preview Lab → · Contrast checker → · Palette generator →