#42C591#42C591

#42C591 is a light, vivid teal. Relative luminance 0.431; OKLCH L 73.9% C 0.137 H 162.9°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#42C591
RGB	rgb(66, 197, 145)
HSL	hsl(156, 53%, 52%)
HSV	hsv(156, 66%, 77%)
CMYK	cmyk(66.5%, 0%, 26.4%, 22.7%)
CIE-LAB	lab(71.64, -47.80, 15.87)
CIE-LCH	lch(71.64, 50.36, 161.63°)
OKLab	oklab(73.88% -0.1312 0.0405)
OKLCH	oklch(73.88% 0.137 162.9)
XYZ	xyz(27.3211, 43.1321, 33.6680)
Luminance	0.4314 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C591 #C54276

analogous

#42C550 #42C591 #42B8C5

triadic

#42C591 #9142C5 #C59142

tetradic

#42C591 #5042C5 #C54276 #B8C542

square

#42C591 #5042C5 #C54276 #B8C542

split-complementary

#42C591 #C542B8 #C55042

monochromatic

#216C4E #2F9A70 #42C591 #71D3AC #A0E2C8

Accessibility & contrast

On white

2.18

#42C591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#42C591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C591

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C591	#FFFFFF	#000000	##000000
##42C591	1.00	2.18	9.63	9.63
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.63	21.00	1.00	1.00
##000000	9.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2B78E

Deuteranopia (green-blind)

#B0AA94

Tritanopia (blue-blind)

#00C5B7

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42c591;
/* rgb */ color: rgb(66, 197, 145);
/* oklch */ color: oklch(73.9% 0.137 162.9);

Tailwind

colors: {
  custom: {
    50: '#85d7b1',
    500: '#42c591',
    950: '#000000',
  },
}

SCSS

$custom: #42c591;
$custom-light: #85d7b1;
$custom-dark: #000000;

JSON

{
  "hex": "#42c591",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 145
  },
  "hsl": {
    "h": 156.183,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.73881,
    "c": 0.13733,
    "h": 162.9
  },
  "luminance": 0.43135
}

Semantic roles & 50–950 ramp

primary

#42C591

secondary

#CE95AB

accent

#4B85DC

background

#F8FDFA

surface

#F0FAF5

border

#CBD3CF

text

#0C1410

muted

#7D837F

Preview Lab

Preview with #42C591

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

Preview Lab → · Contrast checker → · Palette generator →