#EFDC52#EFDC52

#EFDC52 is a very light, vivid yellow. Relative luminance 0.701; OKLCH L 88.5% C 0.155 H 101.4°. Best body text is #000000 at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#EFDC52
RGB	rgb(239, 220, 82)
HSL	hsl(53, 83%, 63%)
HSV	hsv(53, 66%, 94%)
CMYK	cmyk(0%, 7.9%, 65.7%, 6.3%)
CIE-LAB	lab(87.07, -8.97, 67.50)
CIE-LCH	lch(87.07, 68.09, 97.57°)
OKLab	oklab(88.55% -0.0307 0.1521)
OKLCH	oklch(88.55% 0.155 101.4)
XYZ	xyz(62.7154, 70.1490, 18.2176)
Luminance	0.7015 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDC52 #5265EF

analogous

#EF8D52 #EFDC52 #B3EF52

triadic

#EFDC52 #52EFDC #DC52EF

tetradic

#EFDC52 #52EF8D #5265EF #EF52B3

square

#EFDC52 #52EF8D #5265EF #EF52B3

split-complementary

#EFDC52 #52B3EF #8D52EF

monochromatic

#B6A211 #EAD11A #EFDC52 #F4E78A #F9F3C2

Accessibility & contrast

On white

1.40

#EFDC52 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.03

#EFDC52 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDC52

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDC52	#FFFFFF	#000000	##000000
##EFDC52	1.00	1.40	15.03	15.03
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.03	21.00	1.00	1.00
##000000	15.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D640

Deuteranopia (green-blind)

#F5DE5A

Tritanopia (blue-blind)

#FFCDC0

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #efdc52;
/* rgb */ color: rgb(239, 220, 82);
/* oklch */ color: oklch(88.5% 0.155 101.4);

Tailwind

colors: {
  custom: {
    50: '#f8e689',
    500: '#efdc52',
    950: '#000000',
  },
}

SCSS

$custom: #efdc52;
$custom-light: #f8e689;
$custom-dark: #000000;

JSON

{
  "hex": "#efdc52",
  "rgb": {
    "r": 239,
    "g": 220,
    "b": 82
  },
  "hsl": {
    "h": 52.739,
    "s": 83.069,
    "l": 62.941
  },
  "oklch": {
    "l": 0.88547,
    "c": 0.1552,
    "h": 101.4
  },
  "luminance": 0.70146
}

Semantic roles & 50–950 ramp

primary

#EFDC52

secondary

#3040B5

accent

#20DF06

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFDC52

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

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