#EFE558#EFE558

#EFE558 is a very light, vivid yellow. Relative luminance 0.751; OKLCH L 90.4% C 0.159 H 105.3°. Best body text is #000000 at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#EFE558
RGB	rgb(239, 229, 88)
HSL	hsl(56, 83%, 64%)
HSV	hsv(56, 63%, 94%)
CMYK	cmyk(0%, 4.2%, 63.2%, 6.3%)
CIE-LAB	lab(89.44, -13.10, 67.57)
CIE-LCH	lch(89.44, 68.83, 100.97°)
OKLab	oklab(90.44% -0.0418 0.1532)
OKLCH	oklch(90.44% 0.159 105.3)
XYZ	xyz(65.3798, 75.0962, 20.2817)
Luminance	0.7509 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE558 #5862EF

analogous

#EF9958 #EFE558 #AEEF58

triadic

#EFE558 #58EFE5 #E558EF

tetradic

#EFE558 #58EF99 #5862EF #EF58AE

square

#EFE558 #58EF99 #5862EF #EF58AE

split-complementary

#EFE558 #58AEEF #9958EF

monochromatic

#BBB012 #EADC20 #EFE558 #F4EE90 #FAF6C8

Accessibility & contrast

On white

1.31

#EFE558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.02

#EFE558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE558

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE558	#FFFFFF	#000000	##000000
##EFE558	1.00	1.31	16.02	16.02
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.02	21.00	1.00	1.00
##000000	16.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DD46

Deuteranopia (green-blind)

#FCE460

Tritanopia (blue-blind)

#FFD7C8

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #efe558;
/* rgb */ color: rgb(239, 229, 88);
/* oklch */ color: oklch(90.4% 0.159 105.3);

Tailwind

colors: {
  custom: {
    50: '#f8ec8d',
    500: '#efe558',
    950: '#000000',
  },
}

SCSS

$custom: #efe558;
$custom-light: #f8ec8d;
$custom-dark: #000000;

JSON

{
  "hex": "#efe558",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 88
  },
  "hsl": {
    "h": 56.026,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.90444,
    "c": 0.15878,
    "h": 105.3
  },
  "luminance": 0.75094
}

Semantic roles & 50–950 ramp

primary

#EFE558

secondary

#323BBA

accent

#15DF07

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFE558

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

Preview Lab → · Contrast checker → · Palette generator →