#ECF073#ECF073

#ECF073 is a very light, vivid yellow. Relative luminance 0.814; OKLCH L 92.8% C 0.148 H 110.6°. Best body text is #000000 at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#ECF073
RGB	rgb(236, 240, 115)
HSL	hsl(62, 81%, 70%)
HSV	hsv(62, 52%, 94%)
CMYK	cmyk(1.7%, 0%, 52.1%, 5.9%)
CIE-LAB	lab(92.31, -17.79, 59.10)
CIE-LCH	lch(92.31, 61.72, 106.76°)
OKLab	oklab(92.75% -0.0521 0.1385)
OKLCH	oklch(92.75% 0.148 110.6)
XYZ	xyz(68.8482, 81.3924, 28.2998)
Luminance	0.8139 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF073 #7773F0

analogous

#F0B673 #ECF073 #AEF073

triadic

#ECF073 #73ECF0 #F073EC

tetradic

#ECF073 #73F0B6 #7773F0 #F073AE

square

#ECF073 #73F0B6 #7773F0 #F073AE

split-complementary

#ECF073 #73AEF0 #B673F0

monochromatic

#CCD217 #E4EA3C #ECF073 #F4F6AA #FBFCE2

Accessibility & contrast

On white

1.22

#ECF073 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.28

#ECF073 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF073

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF073	#FFFFFF	#000000	##000000
##ECF073	1.00	1.22	17.28	17.28
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.28	21.00	1.00	1.00
##000000	17.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE767

Deuteranopia (green-blind)

#FFEB7A

Tritanopia (blue-blind)

#FAE3D4

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf073;
/* rgb */ color: rgb(236, 240, 115);
/* oklch */ color: oklch(92.8% 0.148 110.6);

Tailwind

colors: {
  custom: {
    50: '#f4f49f',
    500: '#ecf073',
    950: '#000000',
  },
}

SCSS

$custom: #ecf073;
$custom-light: #f4f49f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf073",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 115
  },
  "hsl": {
    "h": 61.92,
    "s": 80.645,
    "l": 69.608
  },
  "oklch": {
    "l": 0.9275,
    "c": 0.14793,
    "h": 110.6
  },
  "luminance": 0.81391
}

Semantic roles & 50–950 ramp

primary

#ECF073

secondary

#423EC9

accent

#09DD0F

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF073

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

Preview Lab → · Contrast checker → · Palette generator →