#E3EE57#E3EE57

#E3EE57 is a very light, vivid yellow. Relative luminance 0.782; OKLCH L 91.3% C 0.171 H 113.3°. Best body text is #000000 at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#E3EE57
RGB	rgb(227, 238, 87)
HSL	hsl(64, 82%, 64%)
HSV	hsv(64, 63%, 93%)
CMYK	cmyk(4.6%, 0%, 63.4%, 6.7%)
CIE-LAB	lab(90.86, -22.40, 69.17)
CIE-LCH	lch(90.86, 72.71, 107.94°)
OKLab	oklab(91.35% -0.0674 0.1567)
OKLCH	oklch(91.35% 0.171 113.3)
XYZ	xyz(63.9751, 78.1694, 20.7331)
Luminance	0.7817 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EE57 #6257EE

analogous

#EEAD57 #E3EE57 #97EE57

triadic

#E3EE57 #57E3EE #EE57E3

tetradic

#E3EE57 #57EEAD #6257EE #EE5797

square

#E3EE57 #57EEAD #6257EE #EE5797

split-complementary

#E3EE57 #5797EE #AD57EE

monochromatic

#ACB813 #DAE81F #E3EE57 #ECF48F #F6F9C6

Accessibility & contrast

On white

1.26

#E3EE57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.63

#E3EE57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EE57

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EE57	#FFFFFF	#000000	##000000
##E3EE57	1.00	1.26	16.63	16.63
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.63	21.00	1.00	1.00
##000000	16.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE343

Deuteranopia (green-blind)

#FFE661

Tritanopia (blue-blind)

#F1E1CF

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e3ee57;
/* rgb */ color: rgb(227, 238, 87);
/* oklch */ color: oklch(91.3% 0.171 113.3);

Tailwind

colors: {
  custom: {
    50: '#eff38d',
    500: '#e3ee57',
    950: '#000000',
  },
}

SCSS

$custom: #e3ee57;
$custom-light: #eff38d;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ee57",
  "rgb": {
    "r": 227,
    "g": 238,
    "b": 87
  },
  "hsl": {
    "h": 64.371,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.91347,
    "c": 0.17062,
    "h": 113.3
  },
  "luminance": 0.78168
}

Semantic roles & 50–950 ramp

primary

#E3EE57

secondary

#3C32B7

accent

#08DE17

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E3EE57

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

Preview Lab → · Contrast checker → · Palette generator →