#EFDD56#EFDD56

#EFDD56 is a very light, vivid yellow. Relative luminance 0.707; OKLCH L 88.8% C 0.153 H 101.7°. Best body text is #000000 at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#EFDD56
RGB	rgb(239, 221, 86)
HSL	hsl(53, 83%, 64%)
HSV	hsv(53, 64%, 94%)
CMYK	cmyk(0%, 7.5%, 64%, 6.3%)
CIE-LAB	lab(87.36, -9.24, 66.19)
CIE-LCH	lch(87.36, 66.83, 97.95°)
OKLab	oklab(88.79% -0.031 0.15)
OKLCH	oklch(88.79% 0.153 101.7)
XYZ	xyz(63.1353, 70.7381, 19.1305)
Luminance	0.7074 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDD56 #5668EF

analogous

#EF9056 #EFDD56 #B4EF56

triadic

#EFDD56 #56EFDD #DD56EF

tetradic

#EFDD56 #56EF90 #5668EF #EF56B4

square

#EFDD56 #56EF90 #5668EF #EF56B4

split-complementary

#EFDD56 #56B4EF #9056EF

monochromatic

#B9A512 #EAD21E #EFDD56 #F4E88E #FAF3C6

Accessibility & contrast

On white

1.39

#EFDD56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.15

#EFDD56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDD56

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDD56	#FFFFFF	#000000	##000000
##EFDD56	1.00	1.39	15.15	15.15
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.15	21.00	1.00	1.00
##000000	15.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D745

Deuteranopia (green-blind)

#F6DE5E

Tritanopia (blue-blind)

#FFCEC1

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #efdd56;
/* rgb */ color: rgb(239, 221, 86);
/* oklch */ color: oklch(88.8% 0.153 101.7);

Tailwind

colors: {
  custom: {
    50: '#f8e78c',
    500: '#efdd56',
    950: '#000000',
  },
}

SCSS

$custom: #efdd56;
$custom-light: #f8e78c;
$custom-dark: #000000;

JSON

{
  "hex": "#efdd56",
  "rgb": {
    "r": 239,
    "g": 221,
    "b": 86
  },
  "hsl": {
    "h": 52.941,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.88785,
    "c": 0.15314,
    "h": 101.7
  },
  "luminance": 0.70736
}

Semantic roles & 50–950 ramp

primary

#EFDD56

secondary

#3141B8

accent

#20DF06

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFDD56

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

Preview Lab → · Contrast checker → · Palette generator →