#E3EF55#E3EF55

#E3EF55 is a very light, vivid yellow. Relative luminance 0.787; OKLCH L 91.5% C 0.173 H 113.6°. Best body text is #000000 at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#E3EF55
RGB	rgb(227, 239, 85)
HSL	hsl(65, 83%, 64%)
HSV	hsv(65, 64%, 94%)
CMYK	cmyk(5%, 0%, 64.4%, 6.3%)
CIE-LAB	lab(91.11, -23.00, 70.22)
CIE-LCH	lch(91.11, 73.89, 108.14°)
OKLab	oklab(91.54% -0.0693 0.1586)
OKLCH	oklch(91.54% 0.173 113.6)
XYZ	xyz(64.1864, 78.7210, 20.4060)
Luminance	0.7872 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EF55 #6155EF

analogous

#EFAE55 #E3EF55 #96EF55

triadic

#E3EF55 #55E3EF #EF55E3

tetradic

#E3EF55 #55EFAE #6155EF #EF5596

square

#E3EF55 #55EFAE #6155EF #EF5596

split-complementary

#E3EF55 #5596EF #AE55EF

monochromatic

#ABB811 #DAEA1D #E3EF55 #ECF48D #F5FAC5

Accessibility & contrast

On white

1.25

#E3EF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.74

#E3EF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EF55

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EF55	#FFFFFF	#000000	##000000
##E3EF55	1.00	1.25	16.74	16.74
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.74	21.00	1.00	1.00
##000000	16.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE440

Deuteranopia (green-blind)

#FFE760

Tritanopia (blue-blind)

#F1E1D0

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e3ef55;
/* rgb */ color: rgb(227, 239, 85);
/* oklch */ color: oklch(91.5% 0.173 113.6);

Tailwind

colors: {
  custom: {
    50: '#eff48c',
    500: '#e3ef55',
    950: '#000000',
  },
}

SCSS

$custom: #e3ef55;
$custom-light: #eff48c;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ef55",
  "rgb": {
    "r": 227,
    "g": 239,
    "b": 85
  },
  "hsl": {
    "h": 64.675,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.91543,
    "c": 0.17311,
    "h": 113.6
  },
  "luminance": 0.7872
}

Semantic roles & 50–950 ramp

primary

#E3EF55

secondary

#3B31B7

accent

#06DF17

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E3EF55

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

Preview Lab → · Contrast checker → · Palette generator →