#EFDC5B#EFDC5B

#EFDC5B is a very light, vivid yellow. Relative luminance 0.703; OKLCH L 88.6% C 0.148 H 100.9°. Best body text is #000000 at 15.06:1 contrast (WCAG AA passes).

Color values

HEX	#EFDC5B
RGB	rgb(239, 220, 91)
HSL	hsl(52, 82%, 65%)
HSV	hsv(52, 62%, 94%)
CMYK	cmyk(0%, 7.9%, 61.9%, 6.3%)
CIE-LAB	lab(87.14, -8.44, 63.87)
CIE-LCH	lch(87.14, 64.43, 97.53°)
OKLab	oklab(88.63% -0.0282 0.1458)
OKLCH	oklch(88.63% 0.148 100.9)
XYZ	xyz(63.0806, 70.2951, 20.1411)
Luminance	0.7029 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDC5B #5B6EEF

analogous

#EF925B #EFDC5B #B8EF5B

triadic

#EFDC5B #5BEFDC #DC5BEF

tetradic

#EFDC5B #5BEF92 #5B6EEF #EF5BB8

square

#EFDC5B #5BEF92 #5B6EEF #EF5BB8

split-complementary

#EFDC5B #5BB8EF #925BEF

monochromatic

#BDA712 #EAD023 #EFDC5B #F4E893 #FAF4CB

Accessibility & contrast

On white

1.39

#EFDC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.06

#EFDC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDC5B

15.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDC5B	#FFFFFF	#000000	##000000
##EFDC5B	1.00	1.39	15.06	15.06
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.06	21.00	1.00	1.00
##000000	15.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD64C

Deuteranopia (green-blind)

#F5DE62

Tritanopia (blue-blind)

#FFCEC1

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #efdc5b;
/* rgb */ color: rgb(239, 220, 91);
/* oklch */ color: oklch(88.6% 0.148 100.9);

Tailwind

colors: {
  custom: {
    50: '#f7e68f',
    500: '#efdc5b',
    950: '#000000',
  },
}

SCSS

$custom: #efdc5b;
$custom-light: #f7e68f;
$custom-dark: #000000;

JSON

{
  "hex": "#efdc5b",
  "rgb": {
    "r": 239,
    "g": 220,
    "b": 91
  },
  "hsl": {
    "h": 52.297,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.88627,
    "c": 0.14848,
    "h": 100.9
  },
  "luminance": 0.70292
}

Semantic roles & 50–950 ramp

primary

#EFDC5B

secondary

#3344BC

accent

#23DF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFDC5B

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

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