#EFE351#EFE351

#EFE351 is a very light, vivid yellow. Relative luminance 0.739; OKLCH L 90.0% C 0.162 H 104.6°. Best body text is #000000 at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#EFE351
RGB	rgb(239, 227, 81)
HSL	hsl(55, 83%, 63%)
HSV	hsv(55, 66%, 94%)
CMYK	cmyk(0%, 5%, 66.1%, 6.3%)
CIE-LAB	lab(88.87, -12.51, 69.75)
CIE-LCH	lch(88.87, 70.86, 100.17°)
OKLab	oklab(89.97% -0.0408 0.1567)
OKLCH	oklch(89.97% 0.162 104.6)
XYZ	xyz(64.5534, 73.8854, 18.6439)
Luminance	0.7388 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE351 #515DEF

analogous

#EF9451 #EFE351 #ACEF51

triadic

#EFE351 #51EFE3 #E351EF

tetradic

#EFE351 #51EF94 #515DEF #EF51AC

square

#EFE351 #51EF94 #515DEF #EF51AC

split-complementary

#EFE351 #51ACEF #9451EF

monochromatic

#B5A811 #EADA19 #EFE351 #F4EC89 #F9F5C1

Accessibility & contrast

On white

1.33

#EFE351 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.78

#EFE351 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE351

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE351	#FFFFFF	#000000	##000000
##EFE351	1.00	1.33	15.78	15.78
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.78	21.00	1.00	1.00
##000000	15.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DB3D

Deuteranopia (green-blind)

#FAE25A

Tritanopia (blue-blind)

#FFD4C5

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #efe351;
/* rgb */ color: rgb(239, 227, 81);
/* oklch */ color: oklch(90.0% 0.162 104.6);

Tailwind

colors: {
  custom: {
    50: '#f8eb89',
    500: '#efe351',
    950: '#000000',
  },
}

SCSS

$custom: #efe351;
$custom-light: #f8eb89;
$custom-dark: #000000;

JSON

{
  "hex": "#efe351",
  "rgb": {
    "r": 239,
    "g": 227,
    "b": 81
  },
  "hsl": {
    "h": 55.443,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.89974,
    "c": 0.16196,
    "h": 104.6
  },
  "luminance": 0.73883
}

Semantic roles & 50–950 ramp

primary

#EFE351

secondary

#303AB5

accent

#16E006

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #EFE351

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

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