#E9F181#E9F181

#E9F181 is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 92.9% C 0.136 H 112.4°. Best body text is #000000 at 17.36:1 contrast (WCAG AA passes).

Color values

HEX#E9F181
RGBrgb(233, 241, 129)
HSLhsl(64, 80%, 73%)
HSVhsv(64, 46%, 95%)
CMYKcmyk(3.3%, 0%, 46.5%, 5.5%)
CIE-LABlab(92.50, -18.23, 52.83)
CIE-LCHlch(92.50, 55.88, 109.04°)
OKLaboklab(92.9% -0.0518 0.126)
OKLCHoklch(92.9% 0.136 112.4)
XYZxyz(69.0231, 81.8204, 32.9215)
Luminance0.8182 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#E9F181 #8981F1
analogous
#F1C181 #E9F181 #B1F181
triadic
#E9F181 #81E9F1 #F181E9
tetradic
#E9F181 #81F1C1 #8981F1 #F181B1
square
#E9F181 #81F1C1 #8981F1 #F181B1
split-complementary
#E9F181 #81B1F1 #C181F1
monochromatic
#D1DF19 #DFEB4A #E9F181 #F3F7B8 #FAFCE3

Accessibility & contrast

On white

1.21
#E9F181 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

17.36
#E9F181 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F181
17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##E9F181#FFFFFF#000000##000000
##E9F1811.001.2117.3617.36
#FFFFFF1.211.0021.0021.00
#00000017.3621.001.001.00
##00000017.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE877
Deuteranopia (green-blind)
#FFEB87
Tritanopia (blue-blind)
#F5E5D7
Achromatopsia (no color)
#E9E9E9

Design tokens & code

CSS
--color: #e9f181;
/* rgb */ color: rgb(233, 241, 129);
/* oklch */ color: oklch(92.9% 0.136 112.4);
Tailwind
colors: {
  custom: {
    50: '#f2f5a8',
    500: '#e9f181',
    950: '#000000',
  },
}
SCSS
$custom: #e9f181;
$custom-light: #f2f5a8;
$custom-dark: #000000;
JSON
{
  "hex": "#e9f181",
  "rgb": {
    "r": 233,
    "g": 241,
    "b": 129
  },
  "hsl": {
    "h": 64.286,
    "s": 80,
    "l": 72.549
  },
  "oklch": {
    "l": 0.92895,
    "c": 0.13626,
    "h": 112.4
  },
  "luminance": 0.81819
}

Semantic roles & 50–950 ramp

primary
#E9F181
secondary
#534ACC
accent
#09DC18
background
#FFFFFD
surface
#FEFEF7
border
#D6D6D0
text
#171710
muted
#858581

Preview Lab

Preview with #E9F181

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

Preview Lab → · Contrast checker → · Palette generator →

#E9F181 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva