#EFDB5B#EFDB5B

#EFDB5B is a very light, vivid yellow. Relative luminance 0.698; OKLCH L 88.4% C 0.148 H 100.4°. Best body text is #000000 at 14.95:1 contrast (WCAG AA passes).

Color values

HEX#EFDB5B
RGBrgb(239, 219, 91)
HSLhsl(52, 82%, 65%)
HSVhsv(52, 62%, 94%)
CMYKcmyk(0%, 8.4%, 61.9%, 6.3%)
CIE-LABlab(86.88, -7.94, 63.60)
CIE-LCHlch(86.88, 64.09, 97.11°)
OKLaboklab(88.42% -0.0267 0.1452)
OKLCHoklch(88.42% 0.148 100.4)
XYZxyz(62.8190, 69.7717, 20.0538)
Luminance0.6977 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFDB5B #5B6FEF
analogous
#EF915B #EFDB5B #B9EF5B
triadic
#EFDB5B #5BEFDB #DB5BEF
tetradic
#EFDB5B #5BEF91 #5B6FEF #EF5BB9
square
#EFDB5B #5BEF91 #5B6FEF #EF5BB9
split-complementary
#EFDB5B #5BB9EF #915BEF
monochromatic
#BDA612 #EACF23 #EFDB5B #F4E793 #FAF3CB

Accessibility & contrast

On white

1.40
#EFDB5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.95
#EFDB5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDB5B
14.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFDB5B#FFFFFF#000000##000000
##EFDB5B1.001.4014.9514.95
#FFFFFF1.401.0021.0021.00
#00000014.9521.001.001.00
##00000014.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#EED54C
Deuteranopia (green-blind)
#F4DD62
Tritanopia (blue-blind)
#FFCCC0
Achromatopsia (no color)
#DADADA

Design tokens & code

CSS
--color: #efdb5b;
/* rgb */ color: rgb(239, 219, 91);
/* oklch */ color: oklch(88.4% 0.148 100.4);
Tailwind
colors: {
  custom: {
    50: '#f7e58e',
    500: '#efdb5b',
    950: '#000000',
  },
}
SCSS
$custom: #efdb5b;
$custom-light: #f7e58e;
$custom-dark: #000000;
JSON
{
  "hex": "#efdb5b",
  "rgb": {
    "r": 239,
    "g": 219,
    "b": 91
  },
  "hsl": {
    "h": 51.892,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.88423,
    "c": 0.14763,
    "h": 100.4
  },
  "luminance": 0.69769
}

Semantic roles & 50–950 ramp

primary
#EFDB5B
secondary
#3345BC
accent
#24DF07
background
#FFFEFC
surface
#FFFCF4
border
#D7D5CE
text
#18150D
muted
#86847F

Preview Lab

Preview with #EFDB5B

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

Preview Lab → · Contrast checker → · Palette generator →

#EFDB5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva