#99E351#99E351

#99E351 is a very light, vivid yellow-green. Relative luminance 0.623; OKLCH L 83.9% C 0.192 H 132.2°. Best body text is #000000 at 13.46:1 contrast (WCAG AA passes).

Color values

HEX#99E351
RGBrgb(153, 227, 81)
HSLhsl(90, 72%, 60%)
HSVhsv(90, 64%, 89%)
CMYKcmyk(32.6%, 0%, 64.3%, 11%)
CIE-LABlab(83.07, -45.93, 61.89)
CIE-LCHlch(83.07, 77.07, 126.58°)
OKLaboklab(83.85% -0.1289 0.142)
OKLCHoklch(83.85% 0.192 132.2)
XYZxyz(42.0906, 62.3030, 17.5910)
Luminance0.6230 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99E351 #9B51E3
analogous
#E2E351 #99E351 #51E352
triadic
#99E351 #5199E3 #E35199
tetradic
#99E351 #51E2E3 #9B51E3 #E35251
square
#99E351 #51E2E3 #9B51E3 #E35251
split-complementary
#99E351 #5251E3 #E351E2
monochromatic
#5CA01A #7AD522 #99E351 #B8EB86 #D7F4BA

Accessibility & contrast

On white

1.56
#99E351 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.46
#99E351 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E351
13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99E351#FFFFFF#000000##000000
##99E3511.001.5613.4613.46
#FFFFFF1.561.0021.0021.00
#00000013.4621.001.001.00
##00000013.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#ECD33E
Deuteranopia (green-blind)
#E2CD5D
Tritanopia (blue-blind)
#9BDAC5
Achromatopsia (no color)
#CFCFCF

Design tokens & code

CSS
--color: #99e351;
/* rgb */ color: rgb(153, 227, 81);
/* oklch */ color: oklch(83.9% 0.192 132.2);
Tailwind
colors: {
  custom: {
    50: '#bbec88',
    500: '#99e351',
    950: '#000000',
  },
}
SCSS
$custom: #99e351;
$custom-light: #bbec88;
$custom-dark: #000000;
JSON
{
  "hex": "#99e351",
  "rgb": {
    "r": 153,
    "g": 227,
    "b": 81
  },
  "hsl": {
    "h": 90.411,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.83853,
    "c": 0.19172,
    "h": 132.2
  },
  "luminance": 0.62305
}

Semantic roles & 50–950 ramp

primary
#99E351
secondary
#6D35A3
accent
#11D474
background
#FDFEFC
surface
#F9FDF4
border
#D2D5CE
text
#12160C
muted
#82847F

Preview Lab

Preview with #99E351

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

Preview Lab → · Contrast checker → · Palette generator →

#99E351 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva