#ECEC57#ECEC57

#ECEC57 is a very light, vivid yellow. Relative luminance 0.785; OKLCH L 91.6% C 0.167 H 109.3°. Best body text is #000000 at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#ECEC57
RGB	rgb(236, 236, 87)
HSL	hsl(60, 80%, 63%)
HSV	hsv(60, 63%, 93%)
CMYK	cmyk(0%, 0%, 63.1%, 7.5%)
CIE-LAB	lab(91.01, -17.81, 69.55)
CIE-LCH	lch(91.01, 71.79, 104.36°)
OKLab	oklab(91.64% -0.055 0.1573)
OKLCH	oklch(91.64% 0.167 109.3)
XYZ	xyz(66.3100, 78.5138, 20.6766)
Luminance	0.7851 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEC57 #5757EC

analogous

#ECA157 #ECEC57 #A1EC57

triadic

#ECEC57 #57ECEC #EC57EC

tetradic

#ECEC57 #57ECA1 #5757EC #EC57A1

square

#ECEC57 #57ECA1 #5757EC #EC57A1

split-complementary

#ECEC57 #57A1EC #A157EC

monochromatic

#B4B414 #E6E620 #ECEC57 #F2F28E #F8F8C5

Accessibility & contrast

On white

1.26

#ECEC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.70

#ECEC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEC57

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEC57	#FFFFFF	#000000	##000000
##ECEC57	1.00	1.26	16.70	16.70
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.70	21.00	1.00	1.00
##000000	16.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE343

Deuteranopia (green-blind)

#FFE861

Tritanopia (blue-blind)

#FCDECD

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #ecec57;
/* rgb */ color: rgb(236, 236, 87);
/* oklch */ color: oklch(91.6% 0.167 109.3);

Tailwind

colors: {
  custom: {
    50: '#f5f18d',
    500: '#ecec57',
    950: '#000000',
  },
}

SCSS

$custom: #ecec57;
$custom-light: #f5f18d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecec57",
  "rgb": {
    "r": 236,
    "g": 236,
    "b": 87
  },
  "hsl": {
    "h": 60,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.9164,
    "c": 0.16665,
    "h": 109.3
  },
  "luminance": 0.78512
}

Semantic roles & 50–950 ramp

primary

#ECEC57

secondary

#3333B4

accent

#0ADC0A

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #ECEC57

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

Preview Lab → · Contrast checker → · Palette generator →