#ECF48A#ECF48A

#ECF48A is a very light, vivid yellow. Relative luminance 0.844; OKLCH L 93.9% C 0.130 H 112.4°. Best body text is #000000 at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#ECF48A
RGB	rgb(236, 244, 138)
HSL	hsl(65, 83%, 75%)
HSV	hsv(65, 43%, 96%)
CMYK	cmyk(3.3%, 0%, 43.4%, 4.3%)
CIE-LAB	lab(93.61, -17.66, 49.98)
CIE-LCH	lch(93.61, 53.01, 109.46°)
OKLab	oklab(93.88% -0.0496 0.1203)
OKLCH	oklch(93.88% 0.13 112.4)
XYZ	xyz(71.5312, 84.3704, 36.5567)
Luminance	0.8437 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF48A #928AF4

analogous

#F4C78A #ECF48A #B7F48A

triadic

#ECF48A #8AECF4 #F48AEC

tetradic

#ECF48A #8AF4C7 #928AF4 #F48AB7

square

#ECF48A #8AF4C7 #928AF4 #F48AB7

split-complementary

#ECF48A #8AB7F4 #C78AF4

monochromatic

#DAE91A #E3EF52 #ECF48A #F5F9C2 #FAFCE3

Accessibility & contrast

On white

1.17

#ECF48A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.87

#ECF48A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF48A

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF48A	#FFFFFF	#000000	##000000
##ECF48A	1.00	1.17	17.87	17.87
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.87	21.00	1.00	1.00
##000000	17.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB81

Deuteranopia (green-blind)

#FFEE8F

Tritanopia (blue-blind)

#F8E9DB

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf48a;
/* rgb */ color: rgb(236, 244, 138);
/* oklch */ color: oklch(93.9% 0.130 112.4);

Tailwind

colors: {
  custom: {
    50: '#f4f7ae',
    500: '#ecf48a',
    950: '#000000',
  },
}

SCSS

$custom: #ecf48a;
$custom-light: #f4f7ae;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf48a",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 138
  },
  "hsl": {
    "h": 64.528,
    "s": 82.813,
    "l": 74.902
  },
  "oklch": {
    "l": 0.93875,
    "c": 0.13011,
    "h": 112.4
  },
  "luminance": 0.84369
}

Semantic roles & 50–950 ramp

primary

#ECF48A

secondary

#5B51D1

accent

#06DF17

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF48A

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

Preview Lab → · Contrast checker → · Palette generator →