#42C78B#42C78B

#42C78B is a light, vivid teal. Relative luminance 0.439; OKLCH L 74.2% C 0.145 H 159.8°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX#42C78B
RGBrgb(66, 199, 139)
HSLhsl(153, 54%, 52%)
HSVhsv(153, 67%, 78%)
CMYKcmyk(66.8%, 0%, 30.2%, 22%)
CIE-LABlab(72.14, -49.90, 19.76)
CIE-LCHlch(72.14, 53.67, 158.40°)
OKLaboklab(74.25% -0.1361 0.0501)
OKLCHoklch(74.25% 0.145 159.8)
XYZxyz(27.3277, 43.8662, 31.4479)
Luminance0.4387 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C78B #C7427E
analogous
#42C748 #42C78B #42C1C7
triadic
#42C78B #8B42C7 #C78B42
tetradic
#42C78B #4842C7 #C7427E #C1C742
square
#42C78B #4842C7 #C7427E #C1C742
split-complementary
#42C78B #C742C1 #C74842
monochromatic
#216E4B #2F9D6B #42C78B #71D5A8 #A0E3C5

Accessibility & contrast

On white

2.15
#42C78B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.77
#42C78B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C78B
9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C78B#FFFFFF#000000##000000
##42C78B1.002.159.779.77
#FFFFFF2.151.0021.0021.00
#0000009.7721.001.001.00
##0000009.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C5B887
Deuteranopia (green-blind)
#B3AC8F
Tritanopia (blue-blind)
#00C6B7
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #42c78b;
/* rgb */ color: rgb(66, 199, 139);
/* oklch */ color: oklch(74.2% 0.145 159.8);
Tailwind
colors: {
  custom: {
    50: '#86d9ad',
    500: '#42c78b',
    950: '#000000',
  },
}
SCSS
$custom: #42c78b;
$custom-light: #86d9ad;
$custom-dark: #000000;
JSON
{
  "hex": "#42c78b",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 139
  },
  "hsl": {
    "h": 152.932,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.74247,
    "c": 0.14502,
    "h": 159.8
  },
  "luminance": 0.43869
}

Semantic roles & 50–950 ramp

primary
#42C78B
secondary
#D095B0
accent
#4A8DDE
background
#F8FDFA
surface
#F0FBF4
border
#CBD4CE
text
#0C1510
muted
#7D837F

Preview Lab

Preview with #42C78B

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

Preview Lab → · Contrast checker → · Palette generator →

#42C78B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva