#ECEF48#ECEF48

#ECEF48 is a very light, vivid yellow. Relative luminance 0.800; OKLCH L 92.2% C 0.179 H 110.5°. Best body text is #000000 at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#ECEF48
RGB	rgb(236, 239, 72)
HSL	hsl(61, 84%, 61%)
HSV	hsv(61, 70%, 94%)
CMYK	cmyk(1.3%, 0%, 69.9%, 6.3%)
CIE-LAB	lab(91.70, -20.06, 75.79)
CIE-LCH	lch(91.70, 78.40, 104.82°)
OKLab	oklab(92.16% -0.0628 0.1681)
OKLCH	oklch(92.16% 0.179 110.5)
XYZ	xyz(66.6305, 80.0356, 18.0682)
Luminance	0.8003 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEF48 #4B48EF

analogous

#EF9E48 #ECEF48 #98EF48

triadic

#ECEF48 #48ECEF #EF48EC

tetradic

#ECEF48 #48EF9E #4B48EF #EF4898

square

#ECEF48 #48EF9E #4B48EF #EF4898

split-complementary

#ECEF48 #4898EF #9E48EF

monochromatic

#ABAD0F #E2E614 #ECEF48 #F2F480 #F8F9B9

Accessibility & contrast

On white

1.23

#ECEF48 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.01

#ECEF48 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEF48

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEF48	#FFFFFF	#000000	##000000
##ECEF48	1.00	1.23	17.01	17.01
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.01	21.00	1.00	1.00
##000000	17.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE52A

Deuteranopia (green-blind)

#FFE955

Tritanopia (blue-blind)

#FCE0CE

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #ecef48;
/* rgb */ color: rgb(236, 239, 72);
/* oklch */ color: oklch(92.2% 0.179 110.5);

Tailwind

colors: {
  custom: {
    50: '#f6f485',
    500: '#ecef48',
    950: '#000000',
  },
}

SCSS

$custom: #ecef48;
$custom-light: #f6f485;
$custom-dark: #000000;

JSON

{
  "hex": "#ecef48",
  "rgb": {
    "r": 236,
    "g": 239,
    "b": 72
  },
  "hsl": {
    "h": 61.078,
    "s": 83.92,
    "l": 60.98
  },
  "oklch": {
    "l": 0.92156,
    "c": 0.17943,
    "h": 110.5
  },
  "luminance": 0.80034
}

Semantic roles & 50–950 ramp

primary

#ECEF48

secondary

#302DAE

accent

#05E009

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #ECEF48

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

Preview Lab → · Contrast checker → · Palette generator →