#51D255#51D255

#51D255 is a light, highly saturated green. Relative luminance 0.485; OKLCH L 76.6% C 0.201 H 143.8°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX#51D255
RGBrgb(81, 210, 85)
HSLhsl(122, 59%, 57%)
HSVhsv(122, 61%, 82%)
CMYKcmyk(61.4%, 0%, 59.5%, 17.6%)
CIE-LABlab(75.14, -59.83, 50.56)
CIE-LCHlch(75.14, 78.33, 139.80°)
OKLaboklab(76.57% -0.1623 0.1189)
OKLCHoklch(76.57% 0.201 143.8)
XYZxyz(28.0780, 48.4957, 16.4735)
Luminance0.4850 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D255 #D251CE
analogous
#8ED251 #51D255 #51D295
triadic
#51D255 #5551D2 #D25551
tetradic
#51D255 #518ED2 #D251CE #D29551
square
#51D255 #518ED2 #D251CE #D29551
split-complementary
#51D255 #9551D2 #D2518E
monochromatic
#238626 #2FB733 #51D255 #82DF85 #B2EBB4

Accessibility & contrast

On white

1.96
#51D255 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.70
#51D255 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D255
10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D255#FFFFFF#000000##000000
##51D2551.001.9610.7010.70
#FFFFFF1.961.0021.0021.00
#00000010.7021.001.001.00
##00000010.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D6C048
Deuteranopia (green-blind)
#C6B55F
Tritanopia (blue-blind)
#37CCB7
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #51d255;
/* rgb */ color: rgb(81, 210, 85);
/* oklch */ color: oklch(76.6% 0.201 143.8);
Tailwind
colors: {
  custom: {
    50: '#8fe189',
    500: '#51d255',
    950: '#000000',
  },
}
SCSS
$custom: #51d255;
$custom-light: #8fe189;
$custom-dark: #000000;
JSON
{
  "hex": "#51d255",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 85
  },
  "hsl": {
    "h": 121.86,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.76568,
    "c": 0.20124,
    "h": 143.8
  },
  "luminance": 0.48498
}

Semantic roles & 50–950 ramp

primary
#51D255
secondary
#DAA5D8
accent
#46DDE2
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0E150C
muted
#7E837D

Preview Lab

Preview with #51D255

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

Preview Lab → · Contrast checker → · Palette generator →

#51D255 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva