#99EF54#99EF54

#99EF54 is a very light, highly saturated yellow-green. Relative luminance 0.691; OKLCH L 86.7% C 0.205 H 133.8°. Best body text is #000000 at 14.83:1 contrast (WCAG AA passes).

Color values

HEX#99EF54
RGBrgb(153, 239, 84)
HSLhsl(93, 83%, 63%)
HSVhsv(93, 65%, 94%)
CMYKcmyk(36%, 0%, 64.9%, 6.3%)
CIE-LABlab(86.58, -50.70, 64.45)
CIE-LCHlch(86.58, 82.00, 128.19°)
OKLaboklab(86.71% -0.1417 0.1477)
OKLCHoklch(86.71% 0.205 133.8)
XYZxyz(45.6028, 69.1434, 19.3290)
Luminance0.6915 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99EF54 #AA54EF
analogous
#E7EF54 #99EF54 #54EF5C
triadic
#99EF54 #5499EF #EF5499
tetradic
#99EF54 #54E7EF #AA54EF #EF5C54
square
#99EF54 #54E7EF #AA54EF #EF5C54
split-complementary
#99EF54 #5C54EF #EF54E7
monochromatic
#5BB711 #78EA1C #99EF54 #BAF48C #DCF9C4

Accessibility & contrast

On white

1.42
#99EF54 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.83
#99EF54 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EF54
14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99EF54#FFFFFF#000000##000000
##99EF541.001.4214.8314.83
#FFFFFF1.421.0021.0021.00
#00000014.8321.001.001.00
##00000014.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#F8DD40
Deuteranopia (green-blind)
#ECD661
Tritanopia (blue-blind)
#99E6CF
Achromatopsia (no color)
#D9D9D9

Design tokens & code

CSS
--color: #99ef54;
/* rgb */ color: rgb(153, 239, 84);
/* oklch */ color: oklch(86.7% 0.205 133.8);
Tailwind
colors: {
  custom: {
    50: '#bcf58b',
    500: '#99ef54',
    950: '#000000',
  },
}
SCSS
$custom: #99ef54;
$custom-light: #bcf58b;
$custom-dark: #000000;
JSON
{
  "hex": "#99ef54",
  "rgb": {
    "r": 153,
    "g": 239,
    "b": 84
  },
  "hsl": {
    "h": 93.29,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.86714,
    "c": 0.20467,
    "h": 133.8
  },
  "luminance": 0.69145
}

Semantic roles & 50–950 ramp

primary
#99EF54
secondary
#7B31B7
accent
#06DF7F
background
#FDFFFC
surface
#F9FEF4
border
#D2D6CE
text
#12170C
muted
#82857F

Preview Lab

Preview with #99EF54

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

Preview Lab → · Contrast checker → · Palette generator →

#99EF54 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva