#EFDC59#EFDC59

#EFDC59 is a very light, vivid yellow. Relative luminance 0.703; OKLCH L 88.6% C 0.150 H 101.1°. Best body text is #000000 at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#EFDC59
RGB	rgb(239, 220, 89)
HSL	hsl(52, 82%, 64%)
HSV	hsv(52, 63%, 94%)
CMYK	cmyk(0%, 7.9%, 62.8%, 6.3%)
CIE-LAB	lab(87.12, -8.56, 64.70)
CIE-LCH	lch(87.12, 65.26, 97.54°)
OKLab	oklab(88.61% -0.0288 0.1473)
OKLCH	oklch(88.61% 0.15 101.1)
XYZ	xyz(62.9955, 70.2610, 19.6927)
Luminance	0.7026 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDC59 #596CEF

analogous

#EF9159 #EFDC59 #B7EF59

triadic

#EFDC59 #59EFDC #DC59EF

tetradic

#EFDC59 #59EF91 #596CEF #EF59B7

square

#EFDC59 #59EF91 #596CEF #EF59B7

split-complementary

#EFDC59 #59B7EF #9159EF

monochromatic

#BCA612 #EAD021 #EFDC59 #F4E891 #FAF4C9

Accessibility & contrast

On white

1.40

#EFDC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.05

#EFDC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDC59

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDC59	#FFFFFF	#000000	##000000
##EFDC59	1.00	1.40	15.05	15.05
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.05	21.00	1.00	1.00
##000000	15.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD649

Deuteranopia (green-blind)

#F5DE60

Tritanopia (blue-blind)

#FFCDC0

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #efdc59;
/* rgb */ color: rgb(239, 220, 89);
/* oklch */ color: oklch(88.6% 0.150 101.1);

Tailwind

colors: {
  custom: {
    50: '#f8e68d',
    500: '#efdc59',
    950: '#000000',
  },
}

SCSS

$custom: #efdc59;
$custom-light: #f8e68d;
$custom-dark: #000000;

JSON

{
  "hex": "#efdc59",
  "rgb": {
    "r": 239,
    "g": 220,
    "b": 89
  },
  "hsl": {
    "h": 52.4,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.88608,
    "c": 0.15003,
    "h": 101.1
  },
  "luminance": 0.70258
}

Semantic roles & 50–950 ramp

primary

#EFDC59

secondary

#3243BA

accent

#22DF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFDC59

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

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