#EFFD83#EFFD83

#EFFD83 is a very light, vivid yellow. Relative luminance 0.902; OKLCH L 95.9% C 0.147 H 114.6°. Best body text is #000000 at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD83
RGB	rgb(239, 253, 131)
HSL	hsl(67, 97%, 75%)
HSV	hsv(67, 48%, 99%)
CMYK	cmyk(5.5%, 0%, 48.2%, 0.8%)
CIE-LAB	lab(96.10, -21.51, 56.34)
CIE-LCH	lch(96.10, 60.30, 110.90°)
OKLab	oklab(95.89% -0.0613 0.1338)
OKLCH	oklch(95.89% 0.147 114.6)
XYZ	xyz(74.8197, 90.2410, 34.9451)
Luminance	0.9024 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD83 #9183FD

analogous

#FDCE83 #EFFD83 #B2FD83

triadic

#EFFD83 #83EFFD #FD83EF

tetradic

#EFFD83 #83FDCE #9183FD #FD83B2

square

#EFFD83 #83FDCE #9183FD #FD83B2

split-complementary

#EFFD83 #83B2FD #CE83FD

monochromatic

#DFFB0B #E7FC47 #EFFD83 #F7FEBF #FBFFE1

Accessibility & contrast

On white

1.10

#EFFD83 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.05

#EFFD83 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD83

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD83	#FFFFFF	#000000	##000000
##EFFD83	1.00	1.10	19.05	19.05
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.05	21.00	1.00	1.00
##000000	19.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF378

Deuteranopia (green-blind)

#FFF589

Tritanopia (blue-blind)

#FBF1E1

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effd83;
/* rgb */ color: rgb(239, 253, 131);
/* oklch */ color: oklch(95.9% 0.147 114.6);

Tailwind

colors: {
  custom: {
    50: '#f6feaa',
    500: '#effd83',
    950: '#000000',
  },
}

SCSS

$custom: #effd83;
$custom-light: #f6feaa;
$custom-dark: #000000;

JSON

{
  "hex": "#effd83",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 131
  },
  "hsl": {
    "h": 66.885,
    "s": 96.825,
    "l": 75.294
  },
  "oklch": {
    "l": 0.95887,
    "c": 0.14718,
    "h": 114.6
  },
  "luminance": 0.9024
}

Semantic roles & 50–950 ramp

primary

#EFFD83

secondary

#5948DC

accent

#00E61A

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFD83

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

Preview Lab → · Contrast checker → · Palette generator →