#EFFD80#EFFD80

#EFFD80 is a very light, vivid yellow. Relative luminance 0.902; OKLCH L 95.8% C 0.150 H 114.5°. Best body text is #000000 at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD80
RGB	rgb(239, 253, 128)
HSL	hsl(67, 97%, 75%)
HSV	hsv(67, 49%, 99%)
CMYK	cmyk(5.5%, 0%, 49.4%, 0.8%)
CIE-LAB	lab(96.06, -21.78, 57.67)
CIE-LCH	lch(96.06, 61.65, 110.69°)
OKLab	oklab(95.85% -0.0623 0.1365)
OKLCH	oklch(95.85% 0.15 114.5)
XYZ	xyz(74.6193, 90.1609, 33.8898)
Luminance	0.9016 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD80 #8E80FD

analogous

#FDCD80 #EFFD80 #B1FD80

triadic

#EFFD80 #80EFFD #FD80EF

tetradic

#EFFD80 #80FDCD #8E80FD #FD80B1

square

#EFFD80 #80FDCD #8E80FD #FD80B1

split-complementary

#EFFD80 #80B1FD #CD80FD

monochromatic

#E0FB07 #E7FC44 #EFFD80 #F7FEBC #FBFFE1

Accessibility & contrast

On white

1.10

#EFFD80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.03

#EFFD80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD80

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD80	#FFFFFF	#000000	##000000
##EFFD80	1.00	1.10	19.03	19.03
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.03	21.00	1.00	1.00
##000000	19.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF375

Deuteranopia (green-blind)

#FFF587

Tritanopia (blue-blind)

#FCF1E0

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effd80;
/* rgb */ color: rgb(239, 253, 128);
/* oklch */ color: oklch(95.8% 0.150 114.5);

Tailwind

colors: {
  custom: {
    50: '#f6fea8',
    500: '#effd80',
    950: '#000000',
  },
}

SCSS

$custom: #effd80;
$custom-light: #f6fea8;
$custom-dark: #000000;

JSON

{
  "hex": "#effd80",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 128
  },
  "hsl": {
    "h": 66.72,
    "s": 96.899,
    "l": 74.706
  },
  "oklch": {
    "l": 0.95849,
    "c": 0.15005,
    "h": 114.5
  },
  "luminance": 0.9016
}

Semantic roles & 50–950 ramp

primary

#EFFD80

secondary

#5646DB

accent

#00E61A

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFD80

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

Preview Lab → · Contrast checker → · Palette generator →