#EFE453#EFE453

#EFE453 is a very light, vivid yellow. Relative luminance 0.745; OKLCH L 90.2% C 0.161 H 105.0°. Best body text is #000000 at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#EFE453
RGB	rgb(239, 228, 83)
HSL	hsl(56, 83%, 63%)
HSV	hsv(56, 65%, 94%)
CMYK	cmyk(0%, 4.6%, 65.3%, 6.3%)
CIE-LAB	lab(89.14, -12.90, 69.25)
CIE-LCH	lch(89.14, 70.44, 100.55°)
OKLab	oklab(90.2% -0.0417 0.156)
OKLCH	oklch(90.2% 0.161 105)
XYZ	xyz(64.9038, 74.4644, 19.1362)
Luminance	0.7446 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE453 #535EEF

analogous

#EF9653 #EFE453 #ACEF53

triadic

#EFE453 #53EFE4 #E453EF

tetradic

#EFE453 #53EF96 #535EEF #EF53AC

square

#EFE453 #53EF96 #535EEF #EF53AC

split-complementary

#EFE453 #53ACEF #9653EF

monochromatic

#B7AB11 #EADB1B #EFE453 #F4ED8B #F9F6C3

Accessibility & contrast

On white

1.32

#EFE453 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.89

#EFE453 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE453

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE453	#FFFFFF	#000000	##000000
##EFE453	1.00	1.32	15.89	15.89
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.89	21.00	1.00	1.00
##000000	15.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DC3F

Deuteranopia (green-blind)

#FBE35C

Tritanopia (blue-blind)

#FFD5C6

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #efe453;
/* rgb */ color: rgb(239, 228, 83);
/* oklch */ color: oklch(90.2% 0.161 105.0);

Tailwind

colors: {
  custom: {
    50: '#f8ec8a',
    500: '#efe453',
    950: '#000000',
  },
}

SCSS

$custom: #efe453;
$custom-light: #f8ec8a;
$custom-dark: #000000;

JSON

{
  "hex": "#efe453",
  "rgb": {
    "r": 239,
    "g": 228,
    "b": 83
  },
  "hsl": {
    "h": 55.769,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.90196,
    "c": 0.16147,
    "h": 105
  },
  "luminance": 0.74462
}

Semantic roles & 50–950 ramp

primary

#EFE453

secondary

#303AB6

accent

#15DF06

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #EFE453

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

Preview Lab → · Contrast checker → · Palette generator →