#99EA57#99EA57

#99EA57 is a very light, vivid yellow-green. Relative luminance 0.663; OKLCH L 85.6% C 0.196 H 133.5°. Best body text is #000000 at 14.26:1 contrast (WCAG AA passes).

Color values

HEX#99EA57
RGBrgb(153, 234, 87)
HSLhsl(93, 78%, 63%)
HSVhsv(93, 63%, 92%)
CMYKcmyk(34.6%, 0%, 62.8%, 8.2%)
CIE-LABlab(85.15, -48.39, 61.70)
CIE-LCHlch(85.15, 78.42, 128.11°)
OKLaboklab(85.56% -0.1351 0.1423)
OKLCHoklch(85.56% 0.196 133.5)
XYZxyz(44.2792, 66.3042, 19.4799)
Luminance0.6631 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99EA57 #A857EA
analogous
#E3EA57 #99EA57 #57EA5E
triadic
#99EA57 #5799EA #EA5799
tetradic
#99EA57 #57E3EA #A857EA #EA5E57
square
#99EA57 #57E3EA #A857EA #EA5E57
split-complementary
#99EA57 #5E57EA #EA57E3
monochromatic
#5BB116 #78E321 #99EA57 #BAF18D #DBF8C4

Accessibility & contrast

On white

1.47
#99EA57 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.26
#99EA57 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EA57
14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99EA57#FFFFFF#000000##000000
##99EA571.001.4714.2614.26
#FFFFFF1.471.0021.0021.00
#00000014.2621.001.001.00
##00000014.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3D945
Deuteranopia (green-blind)
#E8D263
Tritanopia (blue-blind)
#99E1CB
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #99ea57;
/* rgb */ color: rgb(153, 234, 87);
/* oklch */ color: oklch(85.6% 0.196 133.5);
Tailwind
colors: {
  custom: {
    50: '#bcf18c',
    500: '#99ea57',
    950: '#000000',
  },
}
SCSS
$custom: #99ea57;
$custom-light: #bcf18c;
$custom-dark: #000000;
JSON
{
  "hex": "#99ea57",
  "rgb": {
    "r": 153,
    "g": 234,
    "b": 87
  },
  "hsl": {
    "h": 93.061,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.85561,
    "c": 0.19621,
    "h": 133.5
  },
  "luminance": 0.66306
}

Semantic roles & 50–950 ramp

primary
#99EA57
secondary
#7934B1
accent
#0BDA7D
background
#FDFFFC
surface
#F9FEF4
border
#D2D6CE
text
#12170C
muted
#82857F

Preview Lab

Preview with #99EA57

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

Preview Lab → · Contrast checker → · Palette generator →

#99EA57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva