#42C778#42C778

#42C778 is a light, vivid green. Relative luminance 0.434; OKLCH L 73.9% C 0.162 H 153.3°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#42C778
RGB	rgb(66, 199, 120)
HSL	hsl(144, 54%, 52%)
HSV	hsv(144, 67%, 78%)
CMYK	cmyk(66.8%, 0%, 39.7%, 22%)
CIE-LAB	lab(71.80, -53.62, 29.30)
CIE-LCH	lch(71.80, 61.10, 151.35°)
OKLab	oklab(73.85% -0.1448 0.0729)
OKLCH	oklch(73.85% 0.162 153.3)
XYZ	xyz(26.0581, 43.3584, 24.7614)
Luminance	0.4336 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C778 #C74291

analogous

#4FC742 #42C778 #42C7BB

triadic

#42C778 #7842C7 #C77842

tetradic

#42C778 #424FC7 #C74291 #C7BB42

square

#42C778 #424FC7 #C74291 #C7BB42

split-complementary

#42C778 #BB42C7 #C7424F

monochromatic

#216E40 #2F9D5C #42C778 #71D59A #A0E3BB

Accessibility & contrast

On white

2.17

#42C778 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#42C778 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C778

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C778	#FFFFFF	#000000	##000000
##42C778	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B773

Deuteranopia (green-blind)

#B6AB7D

Tritanopia (blue-blind)

#00C4B3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42c778;
/* rgb */ color: rgb(66, 199, 120);
/* oklch */ color: oklch(73.9% 0.162 153.3);

Tailwind

colors: {
  custom: {
    50: '#86d99f',
    500: '#42c778',
    950: '#000000',
  },
}

SCSS

$custom: #42c778;
$custom-light: #86d99f;
$custom-dark: #000000;

JSON

{
  "hex": "#42c778",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 120
  },
  "hsl": {
    "h": 144.361,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.73854,
    "c": 0.16214,
    "h": 153.3
  },
  "luminance": 0.43361
}

Semantic roles & 50–950 ramp

primary

#42C778

secondary

#D095B8

accent

#4AA2DE

background

#F8FDF9

surface

#F0FBF2

border

#CBD4CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #42C778

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

Preview Lab → · Contrast checker → · Palette generator →