#42CA55#42CA55

#42CA55 is a light, vivid green. Relative luminance 0.441; OKLCH L 74.1% C 0.197 H 145.5°. Best body text is #000000 at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#42CA55
RGB	rgb(66, 202, 85)
HSL	hsl(128, 56%, 53%)
HSV	hsv(128, 67%, 79%)
CMYK	cmyk(67.3%, 0%, 57.9%, 20.8%)
CIE-LAB	lab(72.26, -60.06, 47.13)
CIE-LCH	lch(72.26, 76.35, 141.88°)
OKLab	oklab(74.09% -0.1623 0.1116)
OKLCH	oklch(74.09% 0.197 145.5)
XYZ	xyz(25.0053, 44.0525, 15.7778)
Luminance	0.4405 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CA55 #CA42B7

analogous

#73CA42 #42CA55 #42CA99

triadic

#42CA55 #5542CA #CA5542

tetradic

#42CA55 #4273CA #CA42B7 #CA9942

square

#42CA55 #4273CA #CA42B7 #CA9942

split-complementary

#42CA55 #9942CA #CA4273

monochromatic

#20722B #2DA23E #42CA55 #72D780 #A2E5AB

Accessibility & contrast

On white

2.14

#42CA55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.81

#42CA55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CA55

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CA55	#FFFFFF	#000000	##000000
##42CA55	1.00	2.14	9.81	9.81
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.81	21.00	1.00	1.00
##000000	9.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB849

Deuteranopia (green-blind)

#BDAD5E

Tritanopia (blue-blind)

#14C5B0

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42ca55;
/* rgb */ color: rgb(66, 202, 85);
/* oklch */ color: oklch(74.1% 0.197 145.5);

Tailwind

colors: {
  custom: {
    50: '#87db88',
    500: '#42ca55',
    950: '#000000',
  },
}

SCSS

$custom: #42ca55;
$custom-light: #87db88;
$custom-dark: #000000;

JSON

{
  "hex": "#42ca55",
  "rgb": {
    "r": 66,
    "g": 202,
    "b": 85
  },
  "hsl": {
    "h": 128.382,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.74086,
    "c": 0.19694,
    "h": 145.5
  },
  "luminance": 0.44055
}

Semantic roles & 50–950 ramp

primary

#42CA55

secondary

#D196C9

accent

#48CADF

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #42CA55

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

Preview Lab → · Contrast checker → · Palette generator →