#EFD051#EFD051

#EFD051 is a very light, vivid yellow. Relative luminance 0.641; OKLCH L 86.1% C 0.147 H 95.3°. Best body text is #000000 at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#EFD051
RGB	rgb(239, 208, 81)
HSL	hsl(48, 83%, 63%)
HSV	hsv(48, 66%, 94%)
CMYK	cmyk(0%, 13%, 66.1%, 6.3%)
CIE-LAB	lab(84.00, -2.96, 64.70)
CIE-LCH	lch(84.00, 64.77, 92.62°)
OKLab	oklab(86.11% -0.0136 0.1461)
OKLCH	oklch(86.11% 0.147 95.3)
XYZ	xyz(59.6405, 64.0596, 17.0063)
Luminance	0.6406 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD051 #5170EF

analogous

#EF8151 #EFD051 #BFEF51

triadic

#EFD051 #51EFD0 #D051EF

tetradic

#EFD051 #51EF81 #5170EF #EF51BF

square

#EFD051 #51EF81 #5170EF #EF51BF

split-complementary

#EFD051 #51BFEF #8151EF

monochromatic

#B59511 #EAC119 #EFD051 #F4DF89 #F9EEC1

Accessibility & contrast

On white

1.52

#EFD051 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.81

#EFD051 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD051

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD051	#FFFFFF	#000000	##000000
##EFD051	1.00	1.52	13.81	13.81
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.81	21.00	1.00	1.00
##000000	13.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CC41

Deuteranopia (green-blind)

#ECD658

Tritanopia (blue-blind)

#FFC1B6

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #efd051;
/* rgb */ color: rgb(239, 208, 81);
/* oklch */ color: oklch(86.1% 0.147 95.3);

Tailwind

colors: {
  custom: {
    50: '#f8de88',
    500: '#efd051',
    950: '#000000',
  },
}

SCSS

$custom: #efd051;
$custom-light: #f8de88;
$custom-dark: #000000;

JSON

{
  "hex": "#efd051",
  "rgb": {
    "r": 239,
    "g": 208,
    "b": 81
  },
  "hsl": {
    "h": 48.228,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.86109,
    "c": 0.1467,
    "h": 95.3
  },
  "luminance": 0.64057
}

Semantic roles & 50–950 ramp

primary

#EFD051

secondary

#304AB5

accent

#31E006

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD051

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

Preview Lab → · Contrast checker → · Palette generator →