#EFD355#EFD355

#EFD355 is a very light, vivid yellow. Relative luminance 0.656; OKLCH L 86.7% C 0.146 H 96.7°. Best body text is #000000 at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFD355
RGB	rgb(239, 211, 85)
HSL	hsl(49, 83%, 64%)
HSV	hsv(49, 64%, 94%)
CMYK	cmyk(0%, 11.7%, 64.4%, 6.3%)
CIE-LAB	lab(84.79, -4.26, 63.88)
CIE-LCH	lch(84.79, 64.02, 93.81°)
OKLab	oklab(86.75% -0.0169 0.1449)
OKLCH	oklch(86.75% 0.146 96.7)
XYZ	xyz(60.5333, 65.5981, 18.0658)
Luminance	0.6560 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD355 #5571EF

analogous

#EF8655 #EFD355 #BEEF55

triadic

#EFD355 #55EFD3 #D355EF

tetradic

#EFD355 #55EF86 #5571EF #EF55BE

square

#EFD355 #55EF86 #5571EF #EF55BE

split-complementary

#EFD355 #55BEEF #8655EF

monochromatic

#B89A11 #EAC51D #EFD355 #F4E18D #FAF0C5

Accessibility & contrast

On white

1.49

#EFD355 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.12

#EFD355 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD355

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD355	#FFFFFF	#000000	##000000
##EFD355	1.00	1.49	14.12	14.12
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.12	21.00	1.00	1.00
##000000	14.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CE46

Deuteranopia (green-blind)

#EED85B

Tritanopia (blue-blind)

#FFC4B8

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #efd355;
/* rgb */ color: rgb(239, 211, 85);
/* oklch */ color: oklch(86.7% 0.146 96.7);

Tailwind

colors: {
  custom: {
    50: '#f8e08a',
    500: '#efd355',
    950: '#000000',
  },
}

SCSS

$custom: #efd355;
$custom-light: #f8e08a;
$custom-dark: #000000;

JSON

{
  "hex": "#efd355",
  "rgb": {
    "r": 239,
    "g": 211,
    "b": 85
  },
  "hsl": {
    "h": 49.091,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.86748,
    "c": 0.14591,
    "h": 96.7
  },
  "luminance": 0.65595
}

Semantic roles & 50–950 ramp

primary

#EFD355

secondary

#3149B7

accent

#2EDF06

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD355

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

Preview Lab → · Contrast checker → · Palette generator →