#EFD15B#EFD15B

#EFD15B is a very light, vivid yellow. Relative luminance 0.647; OKLCH L 86.4% C 0.140 H 95.0°. Best body text is #000000 at 13.94:1 contrast (WCAG AA passes).

Color values

HEX#EFD15B
RGBrgb(239, 209, 91)
HSLhsl(48, 82%, 65%)
HSVhsv(48, 62%, 94%)
CMYKcmyk(0%, 12.6%, 61.9%, 6.3%)
CIE-LABlab(84.33, -2.87, 60.82)
CIE-LCHlch(84.33, 60.88, 92.70°)
OKLaboklab(86.4% -0.0122 0.1393)
OKLCHoklch(86.4% 0.14 95)
XYZxyz(60.2881, 64.7100, 19.2102)
Luminance0.6471 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFD15B #5B79EF
analogous
#EF875B #EFD15B #C3EF5B
triadic
#EFD15B #5BEFD1 #D15BEF
tetradic
#EFD15B #5BEF87 #5B79EF #EF5BC3
square
#EFD15B #5BEF87 #5B79EF #EF5BC3
split-complementary
#EFD15B #5BC3EF #875BEF
monochromatic
#BD9B12 #EAC123 #EFD15B #F4E193 #FAF0CB

Accessibility & contrast

On white

1.51
#EFD15B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.94
#EFD15B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD15B
13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFD15B#FFFFFF#000000##000000
##EFD15B1.001.5113.9413.94
#FFFFFF1.511.0021.0021.00
#00000013.9421.001.001.00
##00000013.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E5CD4E
Deuteranopia (green-blind)
#ECD661
Tritanopia (blue-blind)
#FFC2B8
Achromatopsia (no color)
#D2D2D2

Design tokens & code

CSS
--color: #efd15b;
/* rgb */ color: rgb(239, 209, 91);
/* oklch */ color: oklch(86.4% 0.140 95.0);
Tailwind
colors: {
  custom: {
    50: '#f8de8e',
    500: '#efd15b',
    950: '#000000',
  },
}
SCSS
$custom: #efd15b;
$custom-light: #f8de8e;
$custom-dark: #000000;
JSON
{
  "hex": "#efd15b",
  "rgb": {
    "r": 239,
    "g": 209,
    "b": 91
  },
  "hsl": {
    "h": 47.838,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.86403,
    "c": 0.13983,
    "h": 95
  },
  "luminance": 0.64707
}

Semantic roles & 50–950 ramp

primary
#EFD15B
secondary
#334EBC
accent
#33DF07
background
#FFFEFC
surface
#FFFCF4
border
#D7D5CE
text
#18150D
muted
#86847F

Preview Lab

Preview with #EFD15B

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

Preview Lab → · Contrast checker → · Palette generator →

#EFD15B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva