#EFD04C#EFD04C

#EFD04C is a very light, vivid yellow. Relative luminance 0.640; OKLCH L 86.1% C 0.150 H 95.7°. Best body text is #000000 at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#EFD04C
RGB	rgb(239, 208, 76)
HSL	hsl(49, 84%, 62%)
HSV	hsv(49, 68%, 94%)
CMYK	cmyk(0%, 13%, 68.2%, 6.3%)
CIE-LAB	lab(83.96, -3.23, 66.68)
CIE-LCH	lch(83.96, 66.76, 92.77°)
OKLab	oklab(86.07% -0.015 0.1494)
OKLCH	oklch(86.07% 0.15 95.7)
XYZ	xyz(59.4599, 63.9874, 16.0550)
Luminance	0.6398 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD04C #4C6BEF

analogous

#EF7F4C #EFD04C #BDEF4C

triadic

#EFD04C #4CEFD0 #D04CEF

tetradic

#EFD04C #4CEF7F #4C6BEF #EF4CBD

square

#EFD04C #4CEF7F #4C6BEF #EF4CBD

split-complementary

#EFD04C #4CBDEF #7F4CEF

monochromatic

#B19210 #E9C115 #EFD04C #F4DF84 #F9EEBC

Accessibility & contrast

On white

1.52

#EFD04C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.80

#EFD04C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD04C

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD04C	#FFFFFF	#000000	##000000
##EFD04C	1.00	1.52	13.80	13.80
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.80	21.00	1.00	1.00
##000000	13.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC3A

Deuteranopia (green-blind)

#EDD653

Tritanopia (blue-blind)

#FFC0B5

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #efd04c;
/* rgb */ color: rgb(239, 208, 76);
/* oklch */ color: oklch(86.1% 0.150 95.7);

Tailwind

colors: {
  custom: {
    50: '#f8de85',
    500: '#efd04c',
    950: '#000000',
  },
}

SCSS

$custom: #efd04c;
$custom-light: #f8de85;
$custom-dark: #000000;

JSON

{
  "hex": "#efd04c",
  "rgb": {
    "r": 239,
    "g": 208,
    "b": 76
  },
  "hsl": {
    "h": 48.589,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.86067,
    "c": 0.15019,
    "h": 95.7
  },
  "luminance": 0.63984
}

Semantic roles & 50–950 ramp

primary

#EFD04C

secondary

#2E47B1

accent

#2FE005

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#18150B

muted

#86847E

Preview Lab

Preview with #EFD04C

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

Preview Lab → · Contrast checker → · Palette generator →