#ECF761#ECF761

#ECF761 is a very light, vivid yellow. Relative luminance 0.852; OKLCH L 94.0% C 0.171 H 113.2°. Best body text is #000000 at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#ECF761
RGB	rgb(236, 247, 97)
HSL	hsl(64, 90%, 67%)
HSV	hsv(64, 61%, 97%)
CMYK	cmyk(4.5%, 0%, 60.7%, 3.1%)
CIE-LAB	lab(93.98, -22.48, 68.69)
CIE-LCH	lch(93.98, 72.27, 108.12°)
OKLab	oklab(94.03% -0.0672 0.1569)
OKLCH	oklch(94.03% 0.171 113.2)
XYZ	xyz(70.0123, 85.2188, 24.0677)
Luminance	0.8522 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF761 #6C61F7

analogous

#F7B761 #ECF761 #A1F761

triadic

#ECF761 #61ECF7 #F761EC

tetradic

#ECF761 #61F7B7 #6C61F7 #F761A1

square

#ECF761 #61F7B7 #6C61F7 #F761A1

split-complementary

#ECF761 #61A1F7 #B761F7

monochromatic

#C4D30B #E5F427 #ECF761 #F3FA9B #FAFDD6

Accessibility & contrast

On white

1.16

#ECF761 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.04

#ECF761 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF761

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF761	#FFFFFF	#000000	##000000
##ECF761	1.00	1.16	18.04	18.04
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.04	21.00	1.00	1.00
##000000	18.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC4F

Deuteranopia (green-blind)

#FFEF6B

Tritanopia (blue-blind)

#FBE9D8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf761;
/* rgb */ color: rgb(236, 247, 97);
/* oklch */ color: oklch(94.0% 0.171 113.2);

Tailwind

colors: {
  custom: {
    50: '#f5f994',
    500: '#ecf761',
    950: '#000000',
  },
}

SCSS

$custom: #ecf761;
$custom-light: #f5f994;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf761",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 97
  },
  "hsl": {
    "h": 64.4,
    "s": 90.361,
    "l": 67.451
  },
  "oklch": {
    "l": 0.94032,
    "c": 0.17065,
    "h": 113.2
  },
  "luminance": 0.85217
}

Semantic roles & 50–950 ramp

primary

#ECF761

secondary

#3A2ECE

accent

#00E611

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF761

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

Preview Lab → · Contrast checker → · Palette generator →