#42C97B#42C97B

#42C97B is a light, vivid green. Relative luminance 0.444; OKLCH L 74.4% C 0.162 H 153.9°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#42C97B
RGB	rgb(66, 201, 123)
HSL	hsl(145, 56%, 52%)
HSV	hsv(145, 67%, 79%)
CMYK	cmyk(67.2%, 0%, 38.8%, 21.2%)
CIE-LAB	lab(72.47, -53.84, 28.63)
CIE-LCH	lch(72.47, 60.98, 152.00°)
OKLab	oklab(74.42% -0.1455 0.0714)
OKLCH	oklch(74.42% 0.162 153.9)
XYZ	xyz(26.7062, 44.3587, 25.8897)
Luminance	0.4436 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C97B #C94290

analogous

#4DC942 #42C97B #42C9BE

triadic

#42C97B #7B42C9 #C97B42

tetradic

#42C97B #424DC9 #C94290 #C9BE42

square

#42C97B #424DC9 #C94290 #C9BE42

split-complementary

#42C97B #BE42C9 #C9424D

monochromatic

#207042 #2EA05E #42C97B #72D79C #A1E4BD

Accessibility & contrast

On white

2.13

#42C97B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.87

#42C97B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C97B

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C97B	#FFFFFF	#000000	##000000
##42C97B	1.00	2.13	9.87	9.87
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.87	21.00	1.00	1.00
##000000	9.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B976

Deuteranopia (green-blind)

#B8AD80

Tritanopia (blue-blind)

#00C7B5

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42c97b;
/* rgb */ color: rgb(66, 201, 123);
/* oklch */ color: oklch(74.4% 0.162 153.9);

Tailwind

colors: {
  custom: {
    50: '#86daa2',
    500: '#42c97b',
    950: '#000000',
  },
}

SCSS

$custom: #42c97b;
$custom-light: #86daa2;
$custom-dark: #000000;

JSON

{
  "hex": "#42c97b",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 123
  },
  "hsl": {
    "h": 145.333,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74422,
    "c": 0.16203,
    "h": 153.9
  },
  "luminance": 0.44362
}

Semantic roles & 50–950 ramp

primary

#42C97B

secondary

#D196B8

accent

#49A0DF

background

#F8FDFA

surface

#F0FBF3

border

#CBD4CD

text

#0C150F

muted

#7D837F

Preview Lab

Preview with #42C97B

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

Preview Lab → · Contrast checker → · Palette generator →