#42A571#42A571

#42A571 is a light, vivid green. Relative luminance 0.293; OKLCH L 65.0% C 0.122 H 157.3°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX#42A571
RGBrgb(66, 165, 113)
HSLhsl(148, 43%, 45%)
HSVhsv(148, 60%, 65%)
CMYKcmyk(60%, 0%, 31.5%, 35.3%)
CIE-LABlab(61.01, -41.23, 18.55)
CIE-LCHlch(61.01, 45.21, 155.77°)
OKLaboklab(64.95% -0.1124 0.047)
OKLCHoklch(64.95% 0.122 157.3)
XYZxyz(18.6809, 29.2590, 20.2827)
Luminance0.2926 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42A571 #A54276
analogous
#44A542 #42A571 #42A5A2
triadic
#42A571 #7142A5 #A57142
tetradic
#42A571 #4244A5 #A54276 #A5A242
square
#42A571 #4244A5 #A54276 #A5A242
split-complementary
#42A571 #A242A5 #A54244
monochromatic
#1F4E35 #317953 #42A571 #63C190 #8FD2AF

Accessibility & contrast

On white

3.06
#42A571 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.85
#42A571 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A571
6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42A571#FFFFFF#000000##000000
##42A5711.003.066.856.85
#FFFFFF3.061.0021.0021.00
#0000006.8521.001.001.00
##0000006.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4996E
Deuteranopia (green-blind)
#968F74
Tritanopia (blue-blind)
#19A497
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #42a571;
/* rgb */ color: rgb(66, 165, 113);
/* oklch */ color: oklch(65.0% 0.122 157.3);
Tailwind
colors: {
  custom: {
    50: '#80c09a',
    500: '#42a571',
    950: '#000000',
  },
}
SCSS
$custom: #42a571;
$custom-light: #80c09a;
$custom-dark: #000000;
JSON
{
  "hex": "#42a571",
  "rgb": {
    "r": 66,
    "g": 165,
    "b": 113
  },
  "hsl": {
    "h": 148.485,
    "s": 42.857,
    "l": 45.294
  },
  "oklch": {
    "l": 0.64953,
    "c": 0.12179,
    "h": 157.3
  },
  "luminance": 0.29261
}

Semantic roles & 50–950 ramp

primary
#42A571
secondary
#BD85A3
accent
#5597D3
background
#F8FBF9
surface
#EFF7F2
border
#CAD0CC
text
#0B120E
muted
#7C817E

Preview Lab

Preview with #42A571

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

Preview Lab → · Contrast checker → · Palette generator →

#42A571 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva