#ECF360#ECF360

#ECF360 is a very light, vivid yellow. Relative luminance 0.828; OKLCH L 93.2% C 0.167 H 111.8°. Best body text is #000000 at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#ECF360
RGB	rgb(236, 243, 96)
HSL	hsl(63, 86%, 66%)
HSV	hsv(63, 60%, 95%)
CMYK	cmyk(2.9%, 0%, 60.5%, 4.7%)
CIE-LAB	lab(92.92, -20.63, 67.96)
CIE-LCH	lch(92.92, 71.02, 106.89°)
OKLab	oklab(93.18% -0.0621 0.1552)
OKLCH	oklch(93.18% 0.167 111.8)
XYZ	xyz(68.7558, 82.7801, 23.4203)
Luminance	0.8278 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF360 #6760F3

analogous

#F3B160 #ECF360 #A3F360

triadic

#ECF360 #60ECF3 #F360EC

tetradic

#ECF360 #60F3B1 #6760F3 #F360A3

square

#ECF360 #60F3B1 #6760F3 #F360A3

split-complementary

#ECF360 #60A3F3 #B160F3

monochromatic

#C1C90F #E5EF27 #ECF360 #F3F799 #FAFCD2

Accessibility & contrast

On white

1.20

#ECF360 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.56

#ECF360 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF360

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF360	#FFFFFF	#000000	##000000
##ECF360	1.00	1.20	17.56	17.56
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.56	21.00	1.00	1.00
##000000	17.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE94E

Deuteranopia (green-blind)

#FFED69

Tritanopia (blue-blind)

#FBE5D4

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf360;
/* rgb */ color: rgb(236, 243, 96);
/* oklch */ color: oklch(93.2% 0.167 111.8);

Tailwind

colors: {
  custom: {
    50: '#f5f693',
    500: '#ecf360',
    950: '#000000',
  },
}

SCSS

$custom: #ecf360;
$custom-light: #f5f693;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf360",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 96
  },
  "hsl": {
    "h": 62.857,
    "s": 85.965,
    "l": 66.471
  },
  "oklch": {
    "l": 0.93183,
    "c": 0.16714,
    "h": 111.8
  },
  "luminance": 0.82779
}

Semantic roles & 50–950 ramp

primary

#ECF360

secondary

#3831C6

accent

#03E20E

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECF360

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

Preview Lab → · Contrast checker → · Palette generator →