#51D690#51D690

#51D690 is a light, vivid green. Relative luminance 0.519; OKLCH L 78.5% C 0.154 H 156.8°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#51D690
RGBrgb(81, 214, 144)
HSLhsl(148, 62%, 58%)
HSVhsv(148, 62%, 84%)
CMYKcmyk(62.1%, 0%, 32.7%, 16.1%)
CIE-LABlab(77.19, -52.16, 24.10)
CIE-LCHlch(77.19, 57.46, 155.20°)
OKLaboklab(78.53% -0.1418 0.0608)
OKLCHoklch(78.53% 0.154 156.8)
XYZxyz(32.4711, 51.8528, 34.6775)
Luminance0.5186 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D690 #D65197
analogous
#55D651 #51D690 #51D6D2
triadic
#51D690 #9051D6 #D69051
tetradic
#51D690 #5155D6 #D65197 #D6D251
square
#51D690 #5155D6 #D65197 #D6D251
split-complementary
#51D690 #D251D6 #D65155
monochromatic
#218C53 #2DBD71 #51D690 #83E2B0 #B4EDCF

Accessibility & contrast

On white

1.85
#51D690 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.37
#51D690 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D690
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D690#FFFFFF#000000##000000
##51D6901.001.8511.3711.37
#FFFFFF1.851.0021.0021.00
#00000011.3721.001.001.00
##00000011.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D5C68C
Deuteranopia (green-blind)
#C3BA94
Tritanopia (blue-blind)
#06D4C4
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #51d690;
/* rgb */ color: rgb(81, 214, 144);
/* oklch */ color: oklch(78.5% 0.154 156.8);
Tailwind
colors: {
  custom: {
    50: '#8fe3b1',
    500: '#51d690',
    950: '#000000',
  },
}
SCSS
$custom: #51d690;
$custom-light: #8fe3b1;
$custom-dark: #000000;
JSON
{
  "hex": "#51d690",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 144
  },
  "hsl": {
    "h": 148.421,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.78532,
    "c": 0.15428,
    "h": 156.8
  },
  "luminance": 0.51856
}

Semantic roles & 50–950 ramp

primary
#51D690
secondary
#923A68
accent
#4398E5
background
#FCFEFD
surface
#F5FCF7
border
#CFD5D0
text
#0E1610
muted
#7F8481

Preview Lab

Preview with #51D690

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

Preview Lab → · Contrast checker → · Palette generator →

#51D690 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva