#EFFE80#EFFE80

#EFFE80 is a very light, vivid yellow. Relative luminance 0.908; OKLCH L 96.1% C 0.151 H 114.9°. Best body text is #000000 at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE80
RGB	rgb(239, 254, 128)
HSL	hsl(67, 98%, 75%)
HSV	hsv(67, 50%, 100%)
CMYK	cmyk(5.9%, 0%, 49.6%, 0.4%)
CIE-LAB	lab(96.33, -22.25, 57.98)
CIE-LCH	lch(96.33, 62.11, 111.00°)
OKLab	oklab(96.06% -0.0637 0.1372)
OKLCH	oklch(96.06% 0.151 114.9)
XYZ	xyz(74.9358, 90.7939, 33.9953)
Luminance	0.9079 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE80 #8F80FE

analogous

#FECE80 #EFFE80 #B0FE80

triadic

#EFFE80 #80EFFE #FE80EF

tetradic

#EFFE80 #80FECE #8F80FE #FE80B0

square

#EFFE80 #80FECE #8F80FE #FE80B0

split-complementary

#EFFE80 #80B0FE #CE80FE

monochromatic

#E0FD07 #E7FE43 #EFFE80 #F7FEBD #FBFFE1

Accessibility & contrast

On white

1.10

#EFFE80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.16

#EFFE80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE80

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE80	#FFFFFF	#000000	##000000
##EFFE80	1.00	1.10	19.16	19.16
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.16	21.00	1.00	1.00
##000000	19.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF374

Deuteranopia (green-blind)

#FFF687

Tritanopia (blue-blind)

#FCF2E1

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effe80;
/* rgb */ color: rgb(239, 254, 128);
/* oklch */ color: oklch(96.1% 0.151 114.9);

Tailwind

colors: {
  custom: {
    50: '#f6fea8',
    500: '#effe80',
    950: '#000000',
  },
}

SCSS

$custom: #effe80;
$custom-light: #f6fea8;
$custom-dark: #000000;

JSON

{
  "hex": "#effe80",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 128
  },
  "hsl": {
    "h": 67.143,
    "s": 98.438,
    "l": 74.902
  },
  "oklch": {
    "l": 0.96059,
    "c": 0.15123,
    "h": 114.9
  },
  "luminance": 0.90793
}

Semantic roles & 50–950 ramp

primary

#EFFE80

secondary

#5745DD

accent

#00E61B

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFE80

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

Preview Lab → · Contrast checker → · Palette generator →