#99EA51#99EA51

#99EA51 is a very light, highly saturated yellow-green. Relative luminance 0.662; OKLCH L 85.5% C 0.201 H 133.1°. Best body text is #000000 at 14.24:1 contrast (WCAG AA passes).

Color values

HEX#99EA51
RGBrgb(153, 234, 81)
HSLhsl(92, 78%, 62%)
HSVhsv(92, 65%, 92%)
CMYKcmyk(34.6%, 0%, 65.4%, 8.2%)
CIE-LABlab(85.10, -48.87, 64.06)
CIE-LCHlch(85.10, 80.57, 127.34°)
OKLaboklab(85.51% -0.1369 0.1465)
OKLCHoklch(85.51% 0.201 133.1)
XYZxyz(44.0442, 66.2102, 18.2422)
Luminance0.6621 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99EA51 #A251EA
analogous
#E5EA51 #99EA51 #51EA56
triadic
#99EA51 #5199EA #EA5199
tetradic
#99EA51 #51E5EA #A251EA #EA5651
square
#99EA51 #51E5EA #A251EA #EA5651
split-complementary
#99EA51 #5651EA #EA51E5
monochromatic
#5CAC15 #79E21B #99EA51 #B9F188 #D9F7BE

Accessibility & contrast

On white

1.47
#99EA51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.24
#99EA51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EA51
14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99EA51#FFFFFF#000000##000000
##99EA511.001.4714.2414.24
#FFFFFF1.471.0021.0021.00
#00000014.2421.001.001.00
##00000014.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3D93C
Deuteranopia (green-blind)
#E8D25E
Tritanopia (blue-blind)
#9AE1CB
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #99ea51;
/* rgb */ color: rgb(153, 234, 81);
/* oklch */ color: oklch(85.5% 0.201 133.1);
Tailwind
colors: {
  custom: {
    50: '#bcf189',
    500: '#99ea51',
    950: '#000000',
  },
}
SCSS
$custom: #99ea51;
$custom-light: #bcf189;
$custom-dark: #000000;
JSON
{
  "hex": "#99ea51",
  "rgb": {
    "r": 153,
    "g": 234,
    "b": 81
  },
  "hsl": {
    "h": 91.765,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.85507,
    "c": 0.20052,
    "h": 133.1
  },
  "luminance": 0.66212
}

Semantic roles & 50–950 ramp

primary
#99EA51
secondary
#7332AD
accent
#0BDB79
background
#FDFFFC
surface
#F9FEF4
border
#D2D6CE
text
#12170C
muted
#82857F

Preview Lab

Preview with #99EA51

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

Preview Lab → · Contrast checker → · Palette generator →

#99EA51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva