#42CC4E#42CC4E

#42CC4E is a light, highly saturated green. Relative luminance 0.449; OKLCH L 74.5% C 0.205 H 144.4°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#42CC4E
RGB	rgb(66, 204, 78)
HSL	hsl(125, 58%, 53%)
HSV	hsv(125, 68%, 80%)
CMYK	cmyk(67.6%, 0%, 61.8%, 20%)
CIE-LAB	lab(72.82, -61.58, 50.91)
CIE-LCH	lch(72.82, 79.90, 140.42°)
OKLab	oklab(74.52% -0.1667 0.1191)
OKLCH	oklch(74.52% 0.205 144.4)
XYZ	xyz(25.2132, 44.8914, 14.5424)
Luminance	0.4489 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CC4E #CC42C0

analogous

#7BCC42 #42CC4E #42CC93

triadic

#42CC4E #4E42CC #CC4E42

tetradic

#42CC4E #427BCC #CC42C0 #CC9342

square

#42CC4E #427BCC #CC42C0 #CC9342

split-complementary

#42CC4E #9342CC #CC427B

monochromatic

#1F7427 #2CA437 #42CC4E #72D97B #A2E6A8

Accessibility & contrast

On white

2.10

#42CC4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#42CC4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC4E

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CC4E	#FFFFFF	#000000	##000000
##42CC4E	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BA40

Deuteranopia (green-blind)

#BFAE59

Tritanopia (blue-blind)

#17C7B1

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42cc4e;
/* rgb */ color: rgb(66, 204, 78);
/* oklch */ color: oklch(74.5% 0.205 144.4);

Tailwind

colors: {
  custom: {
    50: '#88dd84',
    500: '#42cc4e',
    950: '#000000',
  },
}

SCSS

$custom: #42cc4e;
$custom-light: #88dd84;
$custom-dark: #000000;

JSON

{
  "hex": "#42cc4e",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 78
  },
  "hsl": {
    "h": 125.217,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.74524,
    "c": 0.20484,
    "h": 144.4
  },
  "luminance": 0.44894
}

Semantic roles & 50–950 ramp

primary

#42CC4E

secondary

#D397CE

accent

#47D3E1

background

#F9FDF8

surface

#F1FBEF

border

#CBD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #42CC4E

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

Preview Lab → · Contrast checker → · Palette generator →