#51A571#51A571

#51A571 is a light, moderate green. Relative luminance 0.299; OKLCH L 65.5% C 0.114 H 154.5°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX#51A571
RGBrgb(81, 165, 113)
HSLhsl(143, 34%, 48%)
HSVhsv(143, 51%, 65%)
CMYKcmyk(50.9%, 0%, 31.5%, 35.3%)
CIE-LABlab(61.52, -37.62, 19.34)
CIE-LCHlch(61.52, 42.30, 152.79°)
OKLaboklab(65.52% -0.1026 0.0489)
OKLCHoklch(65.52% 0.114 154.5)
XYZxyz(19.8276, 29.8502, 20.3364)
Luminance0.2985 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51A571 #A55185
analogous
#5BA551 #51A571 #51A59B
triadic
#51A571 #7151A5 #A57151
tetradic
#51A571 #515BA5 #A55185 #A59B51
square
#51A571 #515BA5 #A55185 #A59B51
split-complementary
#51A571 #9B51A5 #A5515B
monochromatic
#295339 #3D7C55 #51A571 #77BC91 #A0D0B2

Accessibility & contrast

On white

3.01
#51A571 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.97
#51A571 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A571
6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51A571#FFFFFF#000000##000000
##51A5711.003.016.976.97
#FFFFFF3.011.0021.0021.00
#0000006.9721.001.001.00
##0000006.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A59A6E
Deuteranopia (green-blind)
#999174
Tritanopia (blue-blind)
#3CA397
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #51a571;
/* rgb */ color: rgb(81, 165, 113);
/* oklch */ color: oklch(65.5% 0.114 154.5);
Tailwind
colors: {
  custom: {
    50: '#88c09a',
    500: '#51a571',
    950: '#000000',
  },
}
SCSS
$custom: #51a571;
$custom-light: #88c09a;
$custom-dark: #000000;
JSON
{
  "hex": "#51a571",
  "rgb": {
    "r": 81,
    "g": 165,
    "b": 113
  },
  "hsl": {
    "h": 142.857,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65518,
    "c": 0.11368,
    "h": 154.5
  },
  "luminance": 0.29852
}

Semantic roles & 50–950 ramp

primary
#51A571
secondary
#BD94AE
accent
#5EA1CA
background
#F8FBF9
surface
#F0F7F2
border
#CBD0CC
text
#0C120E
muted
#7D817E

Preview Lab

Preview with #51A571

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

Preview Lab → · Contrast checker → · Palette generator →

#51A571 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva