#42D991#42D991

#42D991 is a light, vivid teal. Relative luminance 0.528; OKLCH L 78.9% C 0.163 H 157.9°. Best body text is #000000 at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#42D991
RGB	rgb(66, 217, 145)
HSL	hsl(151, 67%, 55%)
HSV	hsv(151, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 33.2%, 14.9%)
CIE-LAB	lab(77.77, -55.75, 24.30)
CIE-LCH	lch(77.77, 60.81, 156.45°)
OKLab	oklab(78.91% -0.1513 0.0613)
OKLCH	oklch(78.91% 0.163 157.9)
XYZ	xyz(32.1673, 52.8247, 35.2835)
Luminance	0.5283 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D991 #D9428A

analogous

#42D945 #42D991 #42D5D9

triadic

#42D991 #9142D9 #D99142

tetradic

#42D991 #4542D9 #D9428A #D5D942

square

#42D991 #4542D9 #D9428A #D5D942

split-complementary

#42D991 #D942D5 #D94542

monochromatic

#1B8653 #25B972 #42D991 #75E3AF #A8EDCC

Accessibility & contrast

On white

1.82

#42D991 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.57

#42D991 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D991

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D991	#FFFFFF	#000000	##000000
##42D991	1.00	1.82	11.57	11.57
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.57	21.00	1.00	1.00
##000000	11.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C88C

Deuteranopia (green-blind)

#C4BB96

Tritanopia (blue-blind)

#00D8C6

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d991;
/* rgb */ color: rgb(66, 217, 145);
/* oklch */ color: oklch(78.9% 0.163 157.9);

Tailwind

colors: {
  custom: {
    50: '#89e6b1',
    500: '#42d991',
    950: '#000000',
  },
}

SCSS

$custom: #42d991;
$custom-light: #89e6b1;
$custom-dark: #000000;

JSON

{
  "hex": "#42d991",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 145
  },
  "hsl": {
    "h": 151.391,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.78913,
    "c": 0.16325,
    "h": 157.9
  },
  "luminance": 0.52828
}

Semantic roles & 50–950 ramp

primary

#42D991

secondary

#8C335E

accent

#3E90E9

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #42D991

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

Preview Lab → · Contrast checker → · Palette generator →