#EFCD58#EFCD58

#EFCD58 is a very light, vivid yellow. Relative luminance 0.627; OKLCH L 85.6% C 0.139 H 93.0°. Best body text is #000000 at 13.54:1 contrast (WCAG AA passes).

Color values

HEX#EFCD58
RGBrgb(239, 205, 88)
HSLhsl(46, 83%, 64%)
HSVhsv(46, 63%, 94%)
CMYKcmyk(0%, 14.2%, 63.2%, 6.3%)
CIE-LABlab(83.30, -1.01, 60.99)
CIE-LCHlch(83.30, 61.00, 90.95°)
OKLaboklab(85.57% -0.0072 0.1392)
OKLCHoklch(85.57% 0.139 93)
XYZxyz(59.1922, 62.7211, 18.2192)
Luminance0.6272 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFCD58 #587AEF
analogous
#EF8258 #EFCD58 #C6EF58
triadic
#EFCD58 #58EFCD #CD58EF
tetradic
#EFCD58 #58EF82 #587AEF #EF58C6
square
#EFCD58 #58EF82 #587AEF #EF58C6
split-complementary
#EFCD58 #58C6EF #8258EF
monochromatic
#BB9512 #EABC20 #EFCD58 #F4DE90 #FAEEC8

Accessibility & contrast

On white

1.55
#EFCD58 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.54
#EFCD58 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCD58
13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFCD58#FFFFFF#000000##000000
##EFCD581.001.5513.5413.54
#FFFFFF1.551.0021.0021.00
#00000013.5421.001.001.00
##00000013.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1CA4B
Deuteranopia (green-blind)
#EAD45D
Tritanopia (blue-blind)
#FFBEB4
Achromatopsia (no color)
#CFCFCF

Design tokens & code

CSS
--color: #efcd58;
/* rgb */ color: rgb(239, 205, 88);
/* oklch */ color: oklch(85.6% 0.139 93.0);
Tailwind
colors: {
  custom: {
    50: '#f8db8c',
    500: '#efcd58',
    950: '#000000',
  },
}
SCSS
$custom: #efcd58;
$custom-light: #f8db8c;
$custom-dark: #000000;
JSON
{
  "hex": "#efcd58",
  "rgb": {
    "r": 239,
    "g": 205,
    "b": 88
  },
  "hsl": {
    "h": 46.49,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.85573,
    "c": 0.13942,
    "h": 93
  },
  "luminance": 0.62718
}

Semantic roles & 50–950 ramp

primary
#EFCD58
secondary
#3250BA
accent
#37DF07
background
#FFFEFC
surface
#FFFBF4
border
#D7D4CE
text
#18150C
muted
#86847F

Preview Lab

Preview with #EFCD58

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

Preview Lab → · Contrast checker → · Palette generator →

#EFCD58 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva