#99EF57#99EF57

#99EF57 is a very light, highly saturated yellow-green. Relative luminance 0.692; OKLCH L 86.7% C 0.203 H 134.0°. Best body text is #000000 at 14.84:1 contrast (WCAG AA passes).

Color values

HEX#99EF57
RGBrgb(153, 239, 87)
HSLhsl(94, 83%, 64%)
HSVhsv(94, 64%, 94%)
CMYKcmyk(36%, 0%, 63.6%, 6.3%)
CIE-LABlab(86.60, -50.46, 63.28)
CIE-LCHlch(86.60, 80.94, 128.57°)
OKLaboklab(86.74% -0.1408 0.1456)
OKLCHoklch(86.74% 0.203 134)
XYZxyz(45.7228, 69.1914, 19.9611)
Luminance0.6919 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99EF57 #AD57EF
analogous
#E5EF57 #99EF57 #57EF61
triadic
#99EF57 #5799EF #EF5799
tetradic
#99EF57 #57E5EF #AD57EF #EF6157
square
#99EF57 #57E5EF #AD57EF #EF6157
split-complementary
#99EF57 #6157EF #EF57E5
monochromatic
#5BBA12 #77EA1F #99EF57 #BBF48F #DDFAC7

Accessibility & contrast

On white

1.42
#99EF57 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.84
#99EF57 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EF57
14.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99EF57#FFFFFF#000000##000000
##99EF571.001.4214.8414.84
#FFFFFF1.421.0021.0021.00
#00000014.8421.001.001.00
##00000014.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#F8DD44
Deuteranopia (green-blind)
#ECD663
Tritanopia (blue-blind)
#99E6CF
Achromatopsia (no color)
#D9D9D9

Design tokens & code

CSS
--color: #99ef57;
/* rgb */ color: rgb(153, 239, 87);
/* oklch */ color: oklch(86.7% 0.203 134.0);
Tailwind
colors: {
  custom: {
    50: '#bcf58d',
    500: '#99ef57',
    950: '#000000',
  },
}
SCSS
$custom: #99ef57;
$custom-light: #bcf58d;
$custom-dark: #000000;
JSON
{
  "hex": "#99ef57",
  "rgb": {
    "r": 153,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 93.947,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.86741,
    "c": 0.20253,
    "h": 134
  },
  "luminance": 0.69193
}

Semantic roles & 50–950 ramp

primary
#99EF57
secondary
#7E31B9
accent
#06DF81
background
#FDFFFC
surface
#F9FEF4
border
#D2D6CE
text
#12170D
muted
#82857F

Preview Lab

Preview with #99EF57

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

Preview Lab → · Contrast checker → · Palette generator →

#99EF57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva