#EFDF56#EFDF56

#EFDF56 is a very light, vivid yellow. Relative luminance 0.718; OKLCH L 89.2% C 0.155 H 102.6°. Best body text is #000000 at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#EFDF56
RGB	rgb(239, 223, 86)
HSL	hsl(54, 83%, 64%)
HSV	hsv(54, 64%, 94%)
CMYK	cmyk(0%, 6.7%, 64%, 6.3%)
CIE-LAB	lab(87.87, -10.24, 66.73)
CIE-LCH	lch(87.87, 67.51, 98.73°)
OKLab	oklab(89.19% -0.0339 0.1511)
OKLCH	oklch(89.19% 0.155 102.6)
XYZ	xyz(63.6665, 71.8005, 19.3076)
Luminance	0.7180 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDF56 #5666EF

analogous

#EF9256 #EFDF56 #B3EF56

triadic

#EFDF56 #56EFDF #DF56EF

tetradic

#EFDF56 #56EF92 #5666EF #EF56B3

square

#EFDF56 #56EF92 #5666EF #EF56B3

split-complementary

#EFDF56 #56B3EF #9256EF

monochromatic

#B9A812 #EAD41E #EFDF56 #F4EA8E #FAF4C6

Accessibility & contrast

On white

1.37

#EFDF56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.36

#EFDF56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDF56

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDF56	#FFFFFF	#000000	##000000
##EFDF56	1.00	1.37	15.36	15.36
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.36	21.00	1.00	1.00
##000000	15.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D845

Deuteranopia (green-blind)

#F7E05E

Tritanopia (blue-blind)

#FFD0C2

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #efdf56;
/* rgb */ color: rgb(239, 223, 86);
/* oklch */ color: oklch(89.2% 0.155 102.6);

Tailwind

colors: {
  custom: {
    50: '#f8e88c',
    500: '#efdf56',
    950: '#000000',
  },
}

SCSS

$custom: #efdf56;
$custom-light: #f8e88c;
$custom-dark: #000000;

JSON

{
  "hex": "#efdf56",
  "rgb": {
    "r": 239,
    "g": 223,
    "b": 86
  },
  "hsl": {
    "h": 53.725,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.89194,
    "c": 0.15486,
    "h": 102.6
  },
  "luminance": 0.71798
}

Semantic roles & 50–950 ramp

primary

#EFDF56

secondary

#313FB8

accent

#1DDF06

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #EFDF56

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

Preview Lab → · Contrast checker → · Palette generator →