#EFD357#EFD357

#EFD357 is a very light, vivid yellow. Relative luminance 0.656; OKLCH L 86.8% C 0.144 H 96.5°. Best body text is #000000 at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#EFD357
RGB	rgb(239, 211, 87)
HSL	hsl(49, 83%, 64%)
HSV	hsv(49, 64%, 94%)
CMYK	cmyk(0%, 11.7%, 63.6%, 6.3%)
CIE-LAB	lab(84.81, -4.14, 63.05)
CIE-LCH	lch(84.81, 63.19, 93.76°)
OKLab	oklab(86.77% -0.0163 0.1435)
OKLCH	oklch(86.77% 0.144 96.5)
XYZ	xyz(60.6139, 65.6303, 18.4902)
Luminance	0.6563 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD357 #5773EF

analogous

#EF8757 #EFD357 #BFEF57

triadic

#EFD357 #57EFD3 #D357EF

tetradic

#EFD357 #57EF87 #5773EF #EF57BF

square

#EFD357 #57EF87 #5773EF #EF57BF

split-complementary

#EFD357 #57BFEF #8757EF

monochromatic

#BA9B12 #EAC41F #EFD357 #F4E28F #FAF0C7

Accessibility & contrast

On white

1.49

#EFD357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.13

#EFD357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD357

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD357	#FFFFFF	#000000	##000000
##EFD357	1.00	1.49	14.13	14.13
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.13	21.00	1.00	1.00
##000000	14.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CE48

Deuteranopia (green-blind)

#EED85D

Tritanopia (blue-blind)

#FFC4B9

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #efd357;
/* rgb */ color: rgb(239, 211, 87);
/* oklch */ color: oklch(86.8% 0.144 96.5);

Tailwind

colors: {
  custom: {
    50: '#f8e08c',
    500: '#efd357',
    950: '#000000',
  },
}

SCSS

$custom: #efd357;
$custom-light: #f8e08c;
$custom-dark: #000000;

JSON

{
  "hex": "#efd357",
  "rgb": {
    "r": 239,
    "g": 211,
    "b": 87
  },
  "hsl": {
    "h": 48.947,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.86766,
    "c": 0.1444,
    "h": 96.5
  },
  "luminance": 0.65627
}

Semantic roles & 50–950 ramp

primary

#EFD357

secondary

#314AB9

accent

#2EDF06

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD357

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

Preview Lab → · Contrast checker → · Palette generator →