#ECF75A#ECF75A

#ECF75A is a very light, vivid yellow. Relative luminance 0.851; OKLCH L 94.0% C 0.176 H 113.1°. Best body text is #000000 at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#ECF75A
RGB	rgb(236, 247, 90)
HSL	hsl(64, 91%, 66%)
HSV	hsv(64, 64%, 97%)
CMYK	cmyk(4.5%, 0%, 63.6%, 3.1%)
CIE-LAB	lab(93.92, -22.92, 71.42)
CIE-LCH	lch(93.92, 75.00, 107.79°)
OKLab	oklab(93.97% -0.0691 0.1617)
OKLCH	oklch(93.97% 0.176 113.1)
XYZ	xyz(69.7002, 85.0940, 22.4240)
Luminance	0.8509 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF75A #655AF7

analogous

#F7B35A #ECF75A #9DF75A

triadic

#ECF75A #5AECF7 #F75AEC

tetradic

#ECF75A #5AF7B3 #655AF7 #F75A9D

square

#ECF75A #5AF7B3 #655AF7 #F75A9D

split-complementary

#ECF75A #5A9DF7 #B35AF7

monochromatic

#BFCD0A #E5F420 #ECF75A #F3FA94 #F9FDCF

Accessibility & contrast

On white

1.17

#ECF75A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.02

#ECF75A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF75A

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF75A	#FFFFFF	#000000	##000000
##ECF75A	1.00	1.17	18.02	18.02
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.02	21.00	1.00	1.00
##000000	18.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC45

Deuteranopia (green-blind)

#FFEF65

Tritanopia (blue-blind)

#FBE9D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf75a;
/* rgb */ color: rgb(236, 247, 90);
/* oklch */ color: oklch(94.0% 0.176 113.1);

Tailwind

colors: {
  custom: {
    50: '#f5f990',
    500: '#ecf75a',
    950: '#000000',
  },
}

SCSS

$custom: #ecf75a;
$custom-light: #f5f990;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf75a",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 90
  },
  "hsl": {
    "h": 64.204,
    "s": 90.751,
    "l": 66.078
  },
  "oklch": {
    "l": 0.93972,
    "c": 0.17581,
    "h": 113.1
  },
  "luminance": 0.85093
}

Semantic roles & 50–950 ramp

primary

#ECF75A

secondary

#382DC8

accent

#00E610

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #ECF75A

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

Preview Lab → · Contrast checker → · Palette generator →