#EFDC63#EFDC63

#EFDC63 is a very light, vivid yellow. Relative luminance 0.704; OKLCH L 88.7% C 0.142 H 100.5°. Best body text is #000000 at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#EFDC63
RGB	rgb(239, 220, 99)
HSL	hsl(52, 81%, 66%)
HSV	hsv(52, 59%, 94%)
CMYK	cmyk(0%, 7.9%, 58.6%, 6.3%)
CIE-LAB	lab(87.21, -7.91, 60.49)
CIE-LCH	lch(87.21, 61.01, 97.45°)
OKLab	oklab(88.71% -0.0258 0.1396)
OKLCH	oklch(88.71% 0.142 100.5)
XYZ	xyz(63.4443, 70.4405, 22.0564)
Luminance	0.7044 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDC63 #6376EF

analogous

#EF9663 #EFDC63 #BCEF63

triadic

#EFDC63 #63EFDC #DC63EF

tetradic

#EFDC63 #63EF96 #6376EF #EF63BC

square

#EFDC63 #63EF96 #6376EF #EF63BC

split-complementary

#EFDC63 #63BCEF #9663EF

monochromatic

#C4AC14 #E9D02B #EFDC63 #F5E89B #FAF5D2

Accessibility & contrast

On white

1.39

#EFDC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.09

#EFDC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDC63

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDC63	#FFFFFF	#000000	##000000
##EFDC63	1.00	1.39	15.09	15.09
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.09	21.00	1.00	1.00
##000000	15.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD656

Deuteranopia (green-blind)

#F4DE69

Tritanopia (blue-blind)

#FFCEC2

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #efdc63;
/* rgb */ color: rgb(239, 220, 99);
/* oklch */ color: oklch(88.7% 0.142 100.5);

Tailwind

colors: {
  custom: {
    50: '#f7e693',
    500: '#efdc63',
    950: '#000000',
  },
}

SCSS

$custom: #efdc63;
$custom-light: #f7e693;
$custom-dark: #000000;

JSON

{
  "hex": "#efdc63",
  "rgb": {
    "r": 239,
    "g": 220,
    "b": 99
  },
  "hsl": {
    "h": 51.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.88706,
    "c": 0.14199,
    "h": 100.5
  },
  "luminance": 0.70438
}

Semantic roles & 50–950 ramp

primary

#EFDC63

secondary

#3548C1

accent

#25DE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFDC63

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

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