#42CC4F#42CC4F

#42CC4F is a light, highly saturated green. Relative luminance 0.449; OKLCH L 74.5% C 0.204 H 144.6°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#42CC4F
RGB	rgb(66, 204, 79)
HSL	hsl(126, 58%, 53%)
HSV	hsv(126, 68%, 80%)
CMYK	cmyk(67.6%, 0%, 61.3%, 20%)
CIE-LAB	lab(72.83, -61.47, 50.48)
CIE-LCH	lch(72.83, 79.54, 140.61°)
OKLab	oklab(74.54% -0.1663 0.1183)
OKLCH	oklch(74.54% 0.204 144.6)
XYZ	xyz(25.2493, 44.9058, 14.7327)
Luminance	0.4491 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CC4F #CC42BF

analogous

#7ACC42 #42CC4F #42CC94

triadic

#42CC4F #4F42CC #CC4F42

tetradic

#42CC4F #427ACC #CC42BF #CC9442

square

#42CC4F #427ACC #CC42BF #CC9442

split-complementary

#42CC4F #9442CC #CC427A

monochromatic

#1F7427 #2CA438 #42CC4F #72D97C #A2E6A9

Accessibility & contrast

On white

2.10

#42CC4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#42CC4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC4F

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CC4F	#FFFFFF	#000000	##000000
##42CC4F	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)

#D0BA41

Deuteranopia (green-blind)

#BFAE59

Tritanopia (blue-blind)

#16C7B1

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42cc4f;
/* rgb */ color: rgb(66, 204, 79);
/* oklch */ color: oklch(74.5% 0.204 144.6);

Tailwind

colors: {
  custom: {
    50: '#88dd85',
    500: '#42cc4f',
    950: '#000000',
  },
}

SCSS

$custom: #42cc4f;
$custom-light: #88dd85;
$custom-dark: #000000;

JSON

{
  "hex": "#42cc4f",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 79
  },
  "hsl": {
    "h": 125.652,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.74535,
    "c": 0.20408,
    "h": 144.6
  },
  "luminance": 0.44908
}

Semantic roles & 50–950 ramp

primary

#42CC4F

secondary

#D397CD

accent

#47D2E1

background

#F9FDF8

surface

#F1FBEF

border

#CBD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #42CC4F

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

Preview Lab → · Contrast checker → · Palette generator →