#EFCE59#EFCE59

#EFCE59 is a very light, vivid yellow. Relative luminance 0.632; OKLCH L 85.8% C 0.139 H 93.5°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).

Color values

HEX#EFCE59
RGBrgb(239, 206, 89)
HSLhsl(47, 82%, 64%)
HSVhsv(47, 63%, 94%)
CMYKcmyk(0%, 13.8%, 62.8%, 6.3%)
CIE-LABlab(83.56, -1.46, 60.84)
CIE-LCHlch(83.56, 60.86, 91.38°)
OKLaboklab(85.78% -0.0084 0.1391)
OKLCHoklch(85.78% 0.139 93.5)
XYZxyz(59.4739, 63.2177, 18.5188)
Luminance0.6321 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFCE59 #597AEF
analogous
#EF8359 #EFCE59 #C5EF59
triadic
#EFCE59 #59EFCE #CE59EF
tetradic
#EFCE59 #59EF83 #597AEF #EF59C5
square
#EFCE59 #59EF83 #597AEF #EF59C5
split-complementary
#EFCE59 #59C5EF #8359EF
monochromatic
#BC9612 #EABE21 #EFCE59 #F4DE91 #FAEFC9

Accessibility & contrast

On white

1.54
#EFCE59 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.64
#EFCE59 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCE59
13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFCE59#FFFFFF#000000##000000
##EFCE591.001.5413.6413.64
#FFFFFF1.541.0021.0021.00
#00000013.6421.001.001.00
##00000013.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2CB4C
Deuteranopia (green-blind)
#EAD45E
Tritanopia (blue-blind)
#FFBFB5
Achromatopsia (no color)
#D0D0D0

Design tokens & code

CSS
--color: #efce59;
/* rgb */ color: rgb(239, 206, 89);
/* oklch */ color: oklch(85.8% 0.139 93.5);
Tailwind
colors: {
  custom: {
    50: '#f8dc8c',
    500: '#efce59',
    950: '#000000',
  },
}
SCSS
$custom: #efce59;
$custom-light: #f8dc8c;
$custom-dark: #000000;
JSON
{
  "hex": "#efce59",
  "rgb": {
    "r": 239,
    "g": 206,
    "b": 89
  },
  "hsl": {
    "h": 46.8,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.85783,
    "c": 0.13931,
    "h": 93.5
  },
  "luminance": 0.63215
}

Semantic roles & 50–950 ramp

primary
#EFCE59
secondary
#3250BA
accent
#36DF07
background
#FFFEFC
surface
#FFFBF4
border
#D7D4CE
text
#18150C
muted
#86847F

Preview Lab

Preview with #EFCE59

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

Preview Lab → · Contrast checker → · Palette generator →

#EFCE59 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva