#ECF498#ECF498

#ECF498 is a very light, moderate yellow. Relative luminance 0.848; OKLCH L 94.1% C 0.115 H 112.7°. Best body text is #000000 at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#ECF498
RGB	rgb(236, 244, 152)
HSL	hsl(65, 81%, 78%)
HSV	hsv(65, 38%, 96%)
CMYK	cmyk(3.3%, 0%, 37.7%, 4.3%)
CIE-LAB	lab(93.80, -16.19, 43.44)
CIE-LCH	lch(93.80, 46.36, 110.44°)
OKLab	oklab(94.09% -0.0444 0.1063)
OKLCH	oklch(94.09% 0.115 112.7)
XYZ	xyz(72.6109, 84.8022, 42.2430)
Luminance	0.8480 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF498 #A098F4

analogous

#F4CE98 #ECF498 #BEF498

triadic

#ECF498 #98ECF4 #F498EC

tetradic

#ECF498 #98F4CE #A098F4 #F498BE

square

#ECF498 #98F4CE #A098F4 #F498BE

split-complementary

#ECF498 #98BEF4 #CE98F4

monochromatic

#D8E829 #E2EE61 #ECF498 #F6FACF #FAFCE3

Accessibility & contrast

On white

1.17

#ECF498 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.96

#ECF498 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF498

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF498	#FFFFFF	#000000	##000000
##ECF498	1.00	1.17	17.96	17.96
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.96	21.00	1.00	1.00
##000000	17.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC91

Deuteranopia (green-blind)

#FFEE9C

Tritanopia (blue-blind)

#F7EADD

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf498;
/* rgb */ color: rgb(236, 244, 152);
/* oklch */ color: oklch(94.1% 0.115 112.7);

Tailwind

colors: {
  custom: {
    50: '#f3f7b7',
    500: '#ecf498',
    950: '#000000',
  },
}

SCSS

$custom: #ecf498;
$custom-light: #f3f7b7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf498",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 152
  },
  "hsl": {
    "h": 65.217,
    "s": 80.702,
    "l": 77.647
  },
  "oklch": {
    "l": 0.94085,
    "c": 0.11514,
    "h": 112.7
  },
  "luminance": 0.84801
}

Semantic roles & 50–950 ramp

primary

#ECF498

secondary

#685ED2

accent

#08DD1B

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF498

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

Preview Lab → · Contrast checker → · Palette generator →