#EFED54#EFED54

#EFED54 is a very light, vivid yellow. Relative luminance 0.796; OKLCH L 92.1% C 0.169 H 108.6°. Best body text is #000000 at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#EFED54
RGB	rgb(239, 237, 84)
HSL	hsl(59, 83%, 63%)
HSV	hsv(59, 65%, 94%)
CMYK	cmyk(0%, 0.8%, 64.9%, 6.3%)
CIE-LAB	lab(91.49, -17.25, 71.28)
CIE-LCH	lch(91.49, 73.34, 103.61°)
OKLab	oklab(92.07% -0.0539 0.1604)
OKLCH	oklch(92.07% 0.169 108.6)
XYZ	xyz(67.4833, 79.5612, 20.1878)
Luminance	0.7956 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFED54 #5456EF

analogous

#EF9F54 #EFED54 #A3EF54

triadic

#EFED54 #54EFED #ED54EF

tetradic

#EFED54 #54EF9F #5456EF #EF54A3

square

#EFED54 #54EF9F #5456EF #EF54A3

split-complementary

#EFED54 #54A3EF #9F54EF

monochromatic

#B7B511 #EAE71C #EFED54 #F4F38C #F9F9C4

Accessibility & contrast

On white

1.24

#EFED54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.91

#EFED54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFED54

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFED54	#FFFFFF	#000000	##000000
##EFED54	1.00	1.24	16.91	16.91
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.91	21.00	1.00	1.00
##000000	16.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE43F

Deuteranopia (green-blind)

#FFE95E

Tritanopia (blue-blind)

#FFDECE

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #efed54;
/* rgb */ color: rgb(239, 237, 84);
/* oklch */ color: oklch(92.1% 0.169 108.6);

Tailwind

colors: {
  custom: {
    50: '#f8f28c',
    500: '#efed54',
    950: '#000000',
  },
}

SCSS

$custom: #efed54;
$custom-light: #f8f28c;
$custom-dark: #000000;

JSON

{
  "hex": "#efed54",
  "rgb": {
    "r": 239,
    "g": 237,
    "b": 84
  },
  "hsl": {
    "h": 59.226,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.92068,
    "c": 0.16924,
    "h": 108.6
  },
  "luminance": 0.79559
}

Semantic roles & 50–950 ramp

primary

#EFED54

secondary

#3132B7

accent

#09DF06

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #EFED54

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

Preview Lab → · Contrast checker → · Palette generator →