#E9EF5B#E9EF5B

#E9EF5B is a very light, vivid yellow. Relative luminance 0.798; OKLCH L 92.1% C 0.167 H 111.5°. Best body text is #000000 at 16.96:1 contrast (WCAG AA passes).

Color values

HEX#E9EF5B
RGBrgb(233, 239, 91)
HSLhsl(62, 82%, 65%)
HSVhsv(62, 62%, 94%)
CMYKcmyk(2.5%, 0%, 61.9%, 6.3%)
CIE-LABlab(91.60, -20.23, 68.51)
CIE-LCHlch(91.60, 71.43, 106.45°)
OKLaboklab(92.06% -0.0613 0.1557)
OKLCHoklch(92.06% 0.167 111.5)
XYZxyz(66.3610, 79.8135, 21.8053)
Luminance0.7981 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#E9EF5B #615BEF
analogous
#EFAB5B #E9EF5B #9FEF5B
triadic
#E9EF5B #5BE9EF #EF5BE9
tetradic
#E9EF5B #5BEFAB #615BEF #EF5B9F
square
#E9EF5B #5BEFAB #615BEF #EF5B9F
split-complementary
#E9EF5B #5B9FEF #AB5BEF
monochromatic
#B6BD12 #E2EA23 #E9EF5B #F0F493 #F8FACB

Accessibility & contrast

On white

1.24
#E9EF5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.96
#E9EF5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9EF5B
16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##E9EF5B#FFFFFF#000000##000000
##E9EF5B1.001.2416.9616.96
#FFFFFF1.241.0021.0021.00
#00000016.9621.001.001.00
##00000016.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE548
Deuteranopia (green-blind)
#FFE965
Tritanopia (blue-blind)
#F8E1D0
Achromatopsia (no color)
#E7E7E7

Design tokens & code

CSS
--color: #e9ef5b;
/* rgb */ color: rgb(233, 239, 91);
/* oklch */ color: oklch(92.1% 0.167 111.5);
Tailwind
colors: {
  custom: {
    50: '#f3f490',
    500: '#e9ef5b',
    950: '#000000',
  },
}
SCSS
$custom: #e9ef5b;
$custom-light: #f3f490;
$custom-dark: #000000;
JSON
{
  "hex": "#e9ef5b",
  "rgb": {
    "r": 233,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 62.432,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.92062,
    "c": 0.16736,
    "h": 111.5
  },
  "luminance": 0.79812
}

Semantic roles & 50–950 ramp

primary
#E9EF5B
secondary
#3833BC
accent
#07DF10
background
#FFFFFC
surface
#FFFEF4
border
#D7D6CE
text
#17170D
muted
#85857F

Preview Lab

Preview with #E9EF5B

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

Preview Lab → · Contrast checker → · Palette generator →

#E9EF5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva