#EFCE53#EFCE53

#EFCE53 is a very light, vivid yellow. Relative luminance 0.631; OKLCH L 85.7% C 0.144 H 94.0°. Best body text is #000000 at 13.62:1 contrast (WCAG AA passes).

Color values

HEX#EFCE53
RGBrgb(239, 206, 83)
HSLhsl(47, 83%, 63%)
HSVhsv(47, 65%, 94%)
CMYKcmyk(0%, 13.8%, 65.3%, 6.3%)
CIE-LABlab(83.51, -1.82, 63.35)
CIE-LCHlch(83.51, 63.38, 91.65°)
OKLaboklab(85.73% -0.0102 0.1435)
OKLCHoklch(85.73% 0.144 94)
XYZxyz(59.2321, 63.1210, 17.2456)
Luminance0.6312 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFCE53 #5374EF
analogous
#EF8053 #EFCE53 #C2EF53
triadic
#EFCE53 #53EFCE #CE53EF
tetradic
#EFCE53 #53EF80 #5374EF #EF53C2
square
#EFCE53 #53EF80 #5374EF #EF53C2
split-complementary
#EFCE53 #53C2EF #8053EF
monochromatic
#B79411 #EABE1B #EFCE53 #F4DE8B #F9EEC3

Accessibility & contrast

On white

1.54
#EFCE53 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.62
#EFCE53 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCE53
13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFCE53#FFFFFF#000000##000000
##EFCE531.001.5413.6213.62
#FFFFFF1.541.0021.0021.00
#00000013.6221.001.001.00
##00000013.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2CA44
Deuteranopia (green-blind)
#EBD459
Tritanopia (blue-blind)
#FFBFB4
Achromatopsia (no color)
#D0D0D0

Design tokens & code

CSS
--color: #efce53;
/* rgb */ color: rgb(239, 206, 83);
/* oklch */ color: oklch(85.7% 0.144 94.0);
Tailwind
colors: {
  custom: {
    50: '#f8dc89',
    500: '#efce53',
    950: '#000000',
  },
}
SCSS
$custom: #efce53;
$custom-light: #f8dc89;
$custom-dark: #000000;
JSON
{
  "hex": "#efce53",
  "rgb": {
    "r": 239,
    "g": 206,
    "b": 83
  },
  "hsl": {
    "h": 47.308,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.85726,
    "c": 0.14387,
    "h": 94
  },
  "luminance": 0.63118
}

Semantic roles & 50–950 ramp

primary
#EFCE53
secondary
#304DB6
accent
#34DF06
background
#FFFEFC
surface
#FFFBF4
border
#D7D4CE
text
#18150C
muted
#86847F

Preview Lab

Preview with #EFCE53

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

Preview Lab → · Contrast checker → · Palette generator →

#EFCE53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva