#E3EC57#E3EC57

#E3EC57 is a very light, vivid yellow. Relative luminance 0.770; OKLCH L 90.9% C 0.168 H 112.6°. Best body text is #000000 at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#E3EC57
RGB	rgb(227, 236, 87)
HSL	hsl(64, 80%, 63%)
HSV	hsv(64, 63%, 93%)
CMYK	cmyk(3.8%, 0%, 63.1%, 7.5%)
CIE-LAB	lab(90.33, -21.44, 68.62)
CIE-LCH	lch(90.33, 71.89, 107.35°)
OKLab	oklab(90.92% -0.0647 0.1556)
OKLCH	oklch(90.92% 0.168 112.6)
XYZ	xyz(63.3960, 77.0113, 20.5401)
Luminance	0.7701 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EC57 #6057EC

analogous

#ECAA57 #E3EC57 #98EC57

triadic

#E3EC57 #57E3EC #EC57E3

tetradic

#E3EC57 #57ECAA #6057EC #EC5798

square

#E3EC57 #57ECAA #6057EC #EC5798

split-complementary

#E3EC57 #5798EC #AA57EC

monochromatic

#ABB414 #DAE620 #E3EC57 #ECF28E #F5F8C5

Accessibility & contrast

On white

1.28

#E3EC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.40

#E3EC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EC57

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EC57	#FFFFFF	#000000	##000000
##E3EC57	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)

#FDE243

Deuteranopia (green-blind)

#FDE561

Tritanopia (blue-blind)

#F1DFCD

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #e3ec57;
/* rgb */ color: rgb(227, 236, 87);
/* oklch */ color: oklch(90.9% 0.168 112.6);

Tailwind

colors: {
  custom: {
    50: '#eff28d',
    500: '#e3ec57',
    950: '#000000',
  },
}

SCSS

$custom: #e3ec57;
$custom-light: #eff28d;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ec57",
  "rgb": {
    "r": 227,
    "g": 236,
    "b": 87
  },
  "hsl": {
    "h": 63.624,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.90922,
    "c": 0.16848,
    "h": 112.6
  },
  "luminance": 0.7701
}

Semantic roles & 50–950 ramp

primary

#E3EC57

secondary

#3B33B4

accent

#0ADC16

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17160D

muted

#85857F

Preview Lab

Preview with #E3EC57

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

Preview Lab → · Contrast checker → · Palette generator →