#EFCD4F#EFCD4F

#EFCD4F is a very light, vivid yellow. Relative luminance 0.626; OKLCH L 85.5% C 0.146 H 93.8°. Best body text is #000000 at 13.52:1 contrast (WCAG AA passes).

Color values

HEX#EFCD4F
RGBrgb(239, 205, 79)
HSLhsl(47, 83%, 62%)
HSVhsv(47, 67%, 94%)
CMYKcmyk(0%, 14.2%, 66.9%, 6.3%)
CIE-LABlab(83.22, -1.54, 64.71)
CIE-LCHlch(83.22, 64.73, 91.36°)
OKLaboklab(85.49% -0.0098 0.1458)
OKLCHoklch(85.49% 0.146 93.8)
XYZxyz(58.8421, 62.5811, 16.3756)
Luminance0.6258 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFCD4F #4F71EF
analogous
#EF7D4F #EFCD4F #C1EF4F
triadic
#EFCD4F #4FEFCD #CD4FEF
tetradic
#EFCD4F #4FEF7D #4F71EF #EF4FC1
square
#EFCD4F #4FEF7D #4F71EF #EF4FC1
split-complementary
#EFCD4F #4FC1EF #7D4FEF
monochromatic
#B39110 #EABD17 #EFCD4F #F4DD87 #F9EDBF

Accessibility & contrast

On white

1.55
#EFCD4F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.52
#EFCD4F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCD4F
13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFCD4F#FFFFFF#000000##000000
##EFCD4F1.001.5513.5213.52
#FFFFFF1.551.0021.0021.00
#00000013.5221.001.001.00
##00000013.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C93F
Deuteranopia (green-blind)
#EAD455
Tritanopia (blue-blind)
#FFBEB3
Achromatopsia (no color)
#CFCFCF

Design tokens & code

CSS
--color: #efcd4f;
/* rgb */ color: rgb(239, 205, 79);
/* oklch */ color: oklch(85.5% 0.146 93.8);
Tailwind
colors: {
  custom: {
    50: '#f8db86',
    500: '#efcd4f',
    950: '#000000',
  },
}
SCSS
$custom: #efcd4f;
$custom-light: #f8db86;
$custom-dark: #000000;
JSON
{
  "hex": "#efcd4f",
  "rgb": {
    "r": 239,
    "g": 205,
    "b": 79
  },
  "hsl": {
    "h": 47.25,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.85491,
    "c": 0.14609,
    "h": 93.8
  },
  "luminance": 0.62578
}

Semantic roles & 50–950 ramp

primary
#EFCD4F
secondary
#2F4BB3
accent
#34E006
background
#FFFEFC
surface
#FFFBF3
border
#D7D4CD
text
#18150C
muted
#86847F

Preview Lab

Preview with #EFCD4F

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

Preview Lab → · Contrast checker → · Palette generator →

#EFCD4F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva