#EFFD77#EFFD77

#EFFD77 is a very light, vivid yellow. Relative luminance 0.899; OKLCH L 95.7% C 0.158 H 114.4°. Best body text is #000000 at 18.99:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD77
RGB	rgb(239, 253, 119)
HSL	hsl(66, 97%, 73%)
HSV	hsv(66, 53%, 99%)
CMYK	cmyk(5.5%, 0%, 53%, 0.8%)
CIE-LAB	lab(95.97, -22.54, 61.61)
CIE-LCH	lch(95.97, 65.60, 110.10°)
OKLab	oklab(95.74% -0.0653 0.1442)
OKLCH	oklch(95.74% 0.158 114.4)
XYZ	xyz(74.0530, 89.9343, 30.9072)
Luminance	0.8993 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD77 #8577FD

analogous

#FDC877 #EFFD77 #ACFD77

triadic

#EFFD77 #77EFFD #FD77EF

tetradic

#EFFD77 #77FDC8 #8577FD #FD77AC

square

#EFFD77 #77FDC8 #8577FD #FD77AC

split-complementary

#EFFD77 #77ACFD #C877FD

monochromatic

#DDF604 #E8FC3B #EFFD77 #F6FEB3 #FBFFE1

Accessibility & contrast

On white

1.11

#EFFD77 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.99

#EFFD77 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD77

18.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD77	#FFFFFF	#000000	##000000
##EFFD77	1.00	1.11	18.99	18.99
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.99	21.00	1.00	1.00
##000000	18.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF26A

Deuteranopia (green-blind)

#FFF57F

Tritanopia (blue-blind)

#FCF0DF

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effd77;
/* rgb */ color: rgb(239, 253, 119);
/* oklch */ color: oklch(95.7% 0.158 114.4);

Tailwind

colors: {
  custom: {
    50: '#f7fea2',
    500: '#effd77',
    950: '#000000',
  },
}

SCSS

$custom: #effd77;
$custom-light: #f7fea2;
$custom-dark: #000000;

JSON

{
  "hex": "#effd77",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 119
  },
  "hsl": {
    "h": 66.269,
    "s": 97.101,
    "l": 72.941
  },
  "oklch": {
    "l": 0.95744,
    "c": 0.15834,
    "h": 114.4
  },
  "luminance": 0.89933
}

Semantic roles & 50–950 ramp

primary

#EFFD77

secondary

#4E3EDA

accent

#00E618

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFD77

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

Preview Lab → · Contrast checker → · Palette generator →