#E3EC55#E3EC55

#E3EC55 is a very light, vivid yellow. Relative luminance 0.770; OKLCH L 90.9% C 0.170 H 112.6°. Best body text is #000000 at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#E3EC55
RGB	rgb(227, 236, 85)
HSL	hsl(64, 80%, 63%)
HSV	hsv(64, 64%, 93%)
CMYK	cmyk(3.8%, 0%, 64%, 7.5%)
CIE-LAB	lab(90.31, -21.56, 69.39)
CIE-LCH	lch(90.31, 72.66, 107.26°)
OKLab	oklab(90.91% -0.0653 0.1569)
OKLCH	oklch(90.91% 0.17 112.6)
XYZ	xyz(63.3155, 76.9790, 20.1157)
Luminance	0.7698 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EC55 #5E55EC

analogous

#ECA955 #E3EC55 #97EC55

triadic

#E3EC55 #55E3EC #EC55E3

tetradic

#E3EC55 #55ECA9 #5E55EC #EC5597

square

#E3EC55 #55ECA9 #5E55EC #EC5597

split-complementary

#E3EC55 #5597EC #A955EC

monochromatic

#A9B314 #DAE61E #E3EC55 #ECF28C #F5F8C3

Accessibility & contrast

On white

1.28

#E3EC55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.40

#E3EC55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EC55

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EC55	#FFFFFF	#000000	##000000
##E3EC55	1.00	1.28	16.40	16.40
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.40	21.00	1.00	1.00
##000000	16.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE141

Deuteranopia (green-blind)

#FDE55F

Tritanopia (blue-blind)

#F2DECD

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #e3ec55;
/* rgb */ color: rgb(227, 236, 85);
/* oklch */ color: oklch(90.9% 0.170 112.6);

Tailwind

colors: {
  custom: {
    50: '#eff28c',
    500: '#e3ec55',
    950: '#000000',
  },
}

SCSS

$custom: #e3ec55;
$custom-light: #eff28c;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ec55",
  "rgb": {
    "r": 227,
    "g": 236,
    "b": 85
  },
  "hsl": {
    "h": 63.576,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.90906,
    "c": 0.16993,
    "h": 112.6
  },
  "luminance": 0.76978
}

Semantic roles & 50–950 ramp

primary

#E3EC55

secondary

#3A33B3

accent

#09DC16

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17160D

muted

#85857F

Preview Lab

Preview with #E3EC55

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

Preview Lab → · Contrast checker → · Palette generator →