#EFD457#EFD457

#EFD457 is a very light, vivid yellow. Relative luminance 0.661; OKLCH L 87.0% C 0.145 H 97.0°. Best body text is #000000 at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#EFD457
RGB	rgb(239, 212, 87)
HSL	hsl(49, 83%, 64%)
HSV	hsv(49, 64%, 94%)
CMYK	cmyk(0%, 11.3%, 63.6%, 6.3%)
CIE-LAB	lab(85.06, -4.65, 63.33)
CIE-LCH	lch(85.06, 63.50, 94.20°)
OKLab	oklab(86.97% -0.0178 0.1441)
OKLCH	oklch(86.97% 0.145 97)
XYZ	xyz(60.8631, 66.1287, 18.5732)
Luminance	0.6613 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD457 #5772EF

analogous

#EF8857 #EFD457 #BEEF57

triadic

#EFD457 #57EFD4 #D457EF

tetradic

#EFD457 #57EF88 #5772EF #EF57BE

square

#EFD457 #57EF88 #5772EF #EF57BE

split-complementary

#EFD457 #57BEEF #8857EF

monochromatic

#BA9C12 #EAC61F #EFD457 #F4E28F #FAF1C7

Accessibility & contrast

On white

1.48

#EFD457 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.23

#EFD457 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD457

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD457	#FFFFFF	#000000	##000000
##EFD457	1.00	1.48	14.23	14.23
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.23	21.00	1.00	1.00
##000000	14.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8CF48

Deuteranopia (green-blind)

#EFD85D

Tritanopia (blue-blind)

#FFC5BA

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #efd457;
/* rgb */ color: rgb(239, 212, 87);
/* oklch */ color: oklch(87.0% 0.145 97.0);

Tailwind

colors: {
  custom: {
    50: '#f8e08c',
    500: '#efd457',
    950: '#000000',
  },
}

SCSS

$custom: #efd457;
$custom-light: #f8e08c;
$custom-dark: #000000;

JSON

{
  "hex": "#efd457",
  "rgb": {
    "r": 239,
    "g": 212,
    "b": 87
  },
  "hsl": {
    "h": 49.342,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.86968,
    "c": 0.14514,
    "h": 97
  },
  "luminance": 0.66126
}

Semantic roles & 50–950 ramp

primary

#EFD457

secondary

#3149B9

accent

#2DDF06

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD457

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

Preview Lab → · Contrast checker → · Palette generator →