#EFCD59#EFCD59

#EFCD59 is a very light, vivid yellow. Relative luminance 0.627; OKLCH L 85.6% C 0.139 H 92.9°. Best body text is #000000 at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#EFCD59
RGB	rgb(239, 205, 89)
HSL	hsl(46, 82%, 64%)
HSV	hsv(46, 63%, 94%)
CMYK	cmyk(0%, 14.2%, 62.8%, 6.3%)
CIE-LAB	lab(83.30, -0.95, 60.56)
CIE-LCH	lch(83.30, 60.57, 90.90°)
OKLab	oklab(85.58% -0.0069 0.1385)
OKLCH	oklch(85.58% 0.139 92.9)
XYZ	xyz(59.2339, 62.7378, 18.4389)
Luminance	0.6273 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCD59 #597BEF

analogous

#EF8259 #EFCD59 #C6EF59

triadic

#EFCD59 #59EFCD #CD59EF

tetradic

#EFCD59 #59EF82 #597BEF #EF59C6

square

#EFCD59 #59EF82 #597BEF #EF59C6

split-complementary

#EFCD59 #59C6EF #8259EF

monochromatic

#BC9512 #EABC21 #EFCD59 #F4DE91 #FAEFC9

Accessibility & contrast

On white

1.55

#EFCD59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.55

#EFCD59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCD59

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCD59	#FFFFFF	#000000	##000000
##EFCD59	1.00	1.55	13.55	13.55
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.55	21.00	1.00	1.00
##000000	13.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CA4C

Deuteranopia (green-blind)

#EAD45E

Tritanopia (blue-blind)

#FFBEB4

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #efcd59;
/* rgb */ color: rgb(239, 205, 89);
/* oklch */ color: oklch(85.6% 0.139 92.9);

Tailwind

colors: {
  custom: {
    50: '#f8db8c',
    500: '#efcd59',
    950: '#000000',
  },
}

SCSS

$custom: #efcd59;
$custom-light: #f8db8c;
$custom-dark: #000000;

JSON

{
  "hex": "#efcd59",
  "rgb": {
    "r": 239,
    "g": 205,
    "b": 89
  },
  "hsl": {
    "h": 46.4,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.85583,
    "c": 0.13864,
    "h": 92.9
  },
  "luminance": 0.62735
}

Semantic roles & 50–950 ramp

primary

#EFCD59

secondary

#3251BA

accent

#38DF07

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFCD59

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

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