#EFE55A#EFE55A

#EFE55A is a very light, vivid yellow. Relative luminance 0.751; OKLCH L 90.5% C 0.157 H 105.2°. Best body text is #000000 at 16.03:1 contrast (WCAG AA passes).

Color values

HEX#EFE55A
RGBrgb(239, 229, 90)
HSLhsl(56, 82%, 65%)
HSVhsv(56, 62%, 94%)
CMYKcmyk(0%, 4.2%, 62.3%, 6.3%)
CIE-LABlab(89.45, -12.98, 66.77)
CIE-LCHlch(89.45, 68.02, 101.00°)
OKLaboklab(90.46% -0.0412 0.1518)
OKLCHoklch(90.46% 0.157 105.2)
XYZxyz(65.4637, 75.1298, 20.7240)
Luminance0.7513 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFE55A #5A64EF
analogous
#EF9B5A #EFE55A #AFEF5A
triadic
#EFE55A #5AEFE5 #E55AEF
tetradic
#EFE55A #5AEF9B #5A64EF #EF5AAF
square
#EFE55A #5AEF9B #5A64EF #EF5AAF
split-complementary
#EFE55A #5AAFEF #9B5AEF
monochromatic
#BCB112 #EADC22 #EFE55A #F4EE92 #FAF7CA

Accessibility & contrast

On white

1.31
#EFE55A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.03
#EFE55A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE55A
16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFE55A#FFFFFF#000000##000000
##EFE55A1.001.3116.0316.03
#FFFFFF1.311.0021.0021.00
#00000016.0321.001.001.00
##00000016.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#F8DD49
Deuteranopia (green-blind)
#FBE462
Tritanopia (blue-blind)
#FFD7C8
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #efe55a;
/* rgb */ color: rgb(239, 229, 90);
/* oklch */ color: oklch(90.5% 0.157 105.2);
Tailwind
colors: {
  custom: {
    50: '#f7ec8f',
    500: '#efe55a',
    950: '#000000',
  },
}
SCSS
$custom: #efe55a;
$custom-light: #f7ec8f;
$custom-dark: #000000;
JSON
{
  "hex": "#efe55a",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 90
  },
  "hsl": {
    "h": 55.973,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.90462,
    "c": 0.15728,
    "h": 105.2
  },
  "luminance": 0.75128
}

Semantic roles & 50–950 ramp

primary
#EFE55A
secondary
#323BBB
accent
#15DF07
background
#FFFEFC
surface
#FFFDF4
border
#D7D5CE
text
#18160D
muted
#86847F

Preview Lab

Preview with #EFE55A

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

Preview Lab → · Contrast checker → · Palette generator →

#EFE55A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva