#42BB91#42BB91

#42BB91 is a light, vivid teal. Relative luminance 0.387; OKLCH L 71.4% C 0.124 H 166.3°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#42BB91
RGB	rgb(66, 187, 145)
HSL	hsl(159, 48%, 50%)
HSV	hsv(159, 65%, 73%)
CMYK	cmyk(64.7%, 0%, 22.5%, 26.7%)
CIE-LAB	lab(68.56, -43.60, 11.54)
CIE-LCH	lch(68.56, 45.10, 165.17°)
OKLab	oklab(71.36% -0.1208 0.0295)
OKLCH	oklch(71.36% 0.124 166.3)
XYZ	xyz(25.1253, 38.7405, 32.9361)
Luminance	0.3874 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BB91 #BB426C

analogous

#42BB55 #42BB91 #42A8BB

triadic

#42BB91 #9142BB #BB9142

tetradic

#42BB91 #5542BB #BB426C #A8BB42

square

#42BB91 #5542BB #BB426C #A8BB42

split-complementary

#42BB91 #BB42A8 #BB5542

monochromatic

#22614B #328E6E #42BB91 #6ECCAB #9CDCC6

Accessibility & contrast

On white

2.40

#42BB91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#42BB91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BB91

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BB91	#FFFFFF	#000000	##000000
##42BB91	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7AE8F

Deuteranopia (green-blind)

#A6A294

Tritanopia (blue-blind)

#00BCAF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #42bb91;
/* rgb */ color: rgb(66, 187, 145);
/* oklch */ color: oklch(71.4% 0.124 166.3);

Tailwind

colors: {
  custom: {
    50: '#84d0b1',
    500: '#42bb91',
    950: '#000000',
  },
}

SCSS

$custom: #42bb91;
$custom-light: #84d0b1;
$custom-dark: #000000;

JSON

{
  "hex": "#42bb91",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 145
  },
  "hsl": {
    "h": 159.174,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.71358,
    "c": 0.12441,
    "h": 166.3
  },
  "luminance": 0.38743
}

Semantic roles & 50–950 ramp

primary

#42BB91

secondary

#C891A4

accent

#507FD7

background

#F8FCFA

surface

#F0F9F5

border

#CBD2CF

text

#0C1410

muted

#7D827F

Preview Lab

Preview with #42BB91

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

Preview Lab → · Contrast checker → · Palette generator →