#EFFD81#EFFD81

#EFFD81 is a very light, vivid yellow. Relative luminance 0.902; OKLCH L 95.9% C 0.149 H 114.6°. Best body text is #000000 at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD81
RGB	rgb(239, 253, 129)
HSL	hsl(67, 97%, 75%)
HSV	hsv(67, 49%, 99%)
CMYK	cmyk(5.5%, 0%, 49%, 0.8%)
CIE-LAB	lab(96.07, -21.69, 57.23)
CIE-LCH	lch(96.07, 61.20, 110.76°)
OKLab	oklab(95.86% -0.062 0.1356)
OKLCH	oklch(95.86% 0.149 114.6)
XYZ	xyz(74.6855, 90.1873, 34.2381)
Luminance	0.9019 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD81 #8F81FD

analogous

#FDCD81 #EFFD81 #B1FD81

triadic

#EFFD81 #81EFFD #FD81EF

tetradic

#EFFD81 #81FDCD #8F81FD #FD81B1

square

#EFFD81 #81FDCD #8F81FD #FD81B1

split-complementary

#EFFD81 #81B1FD #CD81FD

monochromatic

#E0FB09 #E7FC45 #EFFD81 #F7FEBD #FBFFE1

Accessibility & contrast

On white

1.10

#EFFD81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.04

#EFFD81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD81

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD81	#FFFFFF	#000000	##000000
##EFFD81	1.00	1.10	19.04	19.04
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.04	21.00	1.00	1.00
##000000	19.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF376

Deuteranopia (green-blind)

#FFF588

Tritanopia (blue-blind)

#FCF1E1

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effd81;
/* rgb */ color: rgb(239, 253, 129);
/* oklch */ color: oklch(95.9% 0.149 114.6);

Tailwind

colors: {
  custom: {
    50: '#f6fea8',
    500: '#effd81',
    950: '#000000',
  },
}

SCSS

$custom: #effd81;
$custom-light: #f6fea8;
$custom-dark: #000000;

JSON

{
  "hex": "#effd81",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 129
  },
  "hsl": {
    "h": 66.774,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.95862,
    "c": 0.1491,
    "h": 114.6
  },
  "luminance": 0.90186
}

Semantic roles & 50–950 ramp

primary

#EFFD81

secondary

#5747DC

accent

#00E61A

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFD81

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

Preview Lab → · Contrast checker → · Palette generator →