#ECF152#ECF152

#ECF152 is a very light, vivid yellow. Relative luminance 0.814; OKLCH L 92.6% C 0.175 H 111.1°. Best body text is #000000 at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#ECF152
RGB	rgb(236, 241, 82)
HSL	hsl(62, 85%, 63%)
HSV	hsv(62, 66%, 95%)
CMYK	cmyk(2.1%, 0%, 66%, 5.5%)
CIE-LAB	lab(92.29, -20.51, 72.78)
CIE-LCH	lch(92.29, 75.62, 105.74°)
OKLab	oklab(92.65% -0.0631 0.1634)
OKLCH	oklch(92.65% 0.175 111.1)
XYZ	xyz(67.5725, 81.3544, 20.1244)
Luminance	0.8135 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF152 #5752F1

analogous

#F1A652 #ECF152 #9CF152

triadic

#ECF152 #52ECF1 #F152EC

tetradic

#ECF152 #52F1A6 #5752F1 #F1529C

square

#ECF152 #52F1A6 #5752F1 #F1529C

split-complementary

#ECF152 #529CF1 #A652F1

monochromatic

#B4BA0F #E6EC19 #ECF152 #F2F68B #F8FAC3

Accessibility & contrast

On white

1.22

#ECF152 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.27

#ECF152 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF152

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF152	#FFFFFF	#000000	##000000
##ECF152	1.00	1.22	17.27	17.27
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.27	21.00	1.00	1.00
##000000	17.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE73B

Deuteranopia (green-blind)

#FFEB5D

Tritanopia (blue-blind)

#FCE3D1

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf152;
/* rgb */ color: rgb(236, 241, 82);
/* oklch */ color: oklch(92.6% 0.175 111.1);

Tailwind

colors: {
  custom: {
    50: '#f6f58b',
    500: '#ecf152',
    950: '#000000',
  },
}

SCSS

$custom: #ecf152;
$custom-light: #f6f58b;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf152",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 82
  },
  "hsl": {
    "h": 61.887,
    "s": 85.027,
    "l": 63.333
  },
  "oklch": {
    "l": 0.92647,
    "c": 0.17513,
    "h": 111.1
  },
  "luminance": 0.81353
}

Semantic roles & 50–950 ramp

primary

#ECF152

secondary

#332FB8

accent

#04E20B

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #ECF152

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

Preview Lab → · Contrast checker → · Palette generator →