#42CC55#42CC55

#42CC55 is a light, vivid green. Relative luminance 0.450; OKLCH L 74.6% C 0.199 H 145.4°. Best body text is #000000 at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#42CC55
RGB	rgb(66, 204, 85)
HSL	hsl(128, 58%, 53%)
HSV	hsv(128, 68%, 80%)
CMYK	cmyk(67.6%, 0%, 58.3%, 20%)
CIE-LAB	lab(72.89, -60.76, 47.86)
CIE-LCH	lch(72.89, 77.35, 141.77°)
OKLab	oklab(74.6% -0.1642 0.1132)
OKLCH	oklch(74.6% 0.199 145.4)
XYZ	xyz(25.4776, 44.9971, 15.9352)
Luminance	0.4500 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CC55 #CC42B9

analogous

#74CC42 #42CC55 #42CC9A

triadic

#42CC55 #5542CC #CC5542

tetradic

#42CC55 #4274CC #CC42B9 #CC9A42

square

#42CC55 #4274CC #CC42B9 #CC9A42

split-complementary

#42CC55 #9A42CC #CC4274

monochromatic

#1F742B #2CA43D #42CC55 #72D980 #A2E6AC

Accessibility & contrast

On white

2.10

#42CC55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.00

#42CC55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC55

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CC55	#FFFFFF	#000000	##000000
##42CC55	1.00	2.10	10.00	10.00
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.00	21.00	1.00	1.00
##000000	10.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBA49

Deuteranopia (green-blind)

#BFAE5F

Tritanopia (blue-blind)

#11C7B2

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42cc55;
/* rgb */ color: rgb(66, 204, 85);
/* oklch */ color: oklch(74.6% 0.199 145.4);

Tailwind

colors: {
  custom: {
    50: '#88dd88',
    500: '#42cc55',
    950: '#000000',
  },
}

SCSS

$custom: #42cc55;
$custom-light: #88dd88;
$custom-dark: #000000;

JSON

{
  "hex": "#42cc55",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 85
  },
  "hsl": {
    "h": 128.261,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.74604,
    "c": 0.19939,
    "h": 145.4
  },
  "luminance": 0.45
}

Semantic roles & 50–950 ramp

primary

#42CC55

secondary

#D397CB

accent

#47CCE1

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #42CC55

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

Preview Lab → · Contrast checker → · Palette generator →