#51E198#51E198

#51E198 is a light, vivid green. Relative luminance 0.579; OKLCH L 81.4% C 0.162 H 157.4°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX#51E198
RGBrgb(81, 225, 152)
HSLhsl(150, 71%, 60%)
HSVhsv(150, 64%, 88%)
CMYKcmyk(64%, 0%, 32.4%, 11.8%)
CIE-LABlab(80.66, -54.94, 24.66)
CIE-LCHlch(80.66, 60.22, 155.83°)
OKLaboklab(81.43% -0.1493 0.0623)
OKLCHoklch(81.43% 0.162 157.4)
XYZxyz(35.9828, 57.8630, 38.9720)
Luminance0.5787 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E198 #E1519A
analogous
#52E151 #51E198 #51E1E0
triadic
#51E198 #9851E1 #E19851
tetradic
#51E198 #5152E1 #E1519A #E1E051
square
#51E198 #5152E1 #E1519A #E1E051
split-complementary
#51E198 #E051E1 #E15152
monochromatic
#1B9D5B #24D179 #51E198 #85EAB7 #B9F3D6

Accessibility & contrast

On white

1.67
#51E198 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.57
#51E198 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E198
12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E198#FFFFFF#000000##000000
##51E1981.001.6712.5712.57
#FFFFFF1.671.0021.0021.00
#00000012.5721.001.001.00
##00000012.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#DFD093
Deuteranopia (green-blind)
#CCC39D
Tritanopia (blue-blind)
#00DFCE
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #51e198;
/* rgb */ color: rgb(81, 225, 152);
/* oklch */ color: oklch(81.4% 0.162 157.4);
Tailwind
colors: {
  custom: {
    50: '#90ebb6',
    500: '#51e198',
    950: '#000000',
  },
}
SCSS
$custom: #51e198;
$custom-light: #90ebb6;
$custom-dark: #000000;
JSON
{
  "hex": "#51e198",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 152
  },
  "hsl": {
    "h": 149.583,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.81427,
    "c": 0.16181,
    "h": 157.4
  },
  "luminance": 0.57867
}

Semantic roles & 50–950 ramp

primary
#51E198
secondary
#A0366C
accent
#3A95ED
background
#FCFFFD
surface
#F5FEF8
border
#CFD6D1
text
#0E1611
muted
#7F8581

Preview Lab

Preview with #51E198

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

Preview Lab → · Contrast checker → · Palette generator →

#51E198 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva