#ECFD90#ECFD90

#ECFD90 is a very light, vivid yellow. Relative luminance 0.901; OKLCH L 95.8% C 0.135 H 116.3°. Best body text is #000000 at 19.02:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD90
RGB	rgb(236, 253, 144)
HSL	hsl(69, 96%, 78%)
HSV	hsv(69, 43%, 99%)
CMYK	cmyk(6.7%, 0%, 43.1%, 0.8%)
CIE-LAB	lab(96.04, -21.39, 50.13)
CIE-LCH	lch(96.04, 54.50, 113.11°)
OKLab	oklab(95.84% -0.0597 0.121)
OKLCH	oklch(95.84% 0.135 116.3)
XYZ	xyz(74.7520, 90.0978, 39.8328)
Luminance	0.9010 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD90 #A190FD

analogous

#FDD890 #ECFD90 #B5FD90

triadic

#ECFD90 #90ECFD #FD90EC

tetradic

#ECFD90 #90FDD8 #A190FD #FD90B5

square

#ECFD90 #90FDD8 #A190FD #FD90B5

split-complementary

#ECFD90 #90B5FD #D890FD

monochromatic

#D7FB18 #E2FC54 #ECFD90 #F6FECC #FAFEE1

Accessibility & contrast

On white

1.10

#ECFD90 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.02

#ECFD90 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD90

19.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD90	#FFFFFF	#000000	##000000
##ECFD90	1.00	1.10	19.02	19.02
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.02	21.00	1.00	1.00
##000000	19.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF387

Deuteranopia (green-blind)

#FFF495

Tritanopia (blue-blind)

#F7F2E3

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecfd90;
/* rgb */ color: rgb(236, 253, 144);
/* oklch */ color: oklch(95.8% 0.135 116.3);

Tailwind

colors: {
  custom: {
    50: '#f4feb2',
    500: '#ecfd90',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd90;
$custom-light: #f4feb2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd90",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 144
  },
  "hsl": {
    "h": 69.358,
    "s": 96.46,
    "l": 77.843
  },
  "oklch": {
    "l": 0.95836,
    "c": 0.13492,
    "h": 116.3
  },
  "luminance": 0.90097
}

Semantic roles & 50–950 ramp

primary

#ECFD90

secondary

#6953DE

accent

#00E624

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECFD90

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

Preview Lab → · Contrast checker → · Palette generator →