#ECFD6B#ECFD6B

#ECFD6B is a very light, vivid yellow. Relative luminance 0.891; OKLCH L 95.4% C 0.169 H 115.3°. Best body text is #000000 at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD6B
RGB	rgb(236, 253, 107)
HSL	hsl(67, 97%, 71%)
HSV	hsv(67, 58%, 99%)
CMYK	cmyk(6.7%, 0%, 57.7%, 0.8%)
CIE-LAB	lab(95.64, -24.63, 66.37)
CIE-LCH	lch(95.64, 70.79, 110.36°)
OKLab	oklab(95.39% -0.0722 0.1532)
OKLCH	oklch(95.39% 0.169 115.3)
XYZ	xyz(72.3727, 89.1460, 27.3014)
Luminance	0.8914 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD6B #7C6BFD

analogous

#FDC56B #ECFD6B #A3FD6B

triadic

#ECFD6B #6BECFD #FD6BEC

tetradic

#ECFD6B #6BFDC5 #7C6BFD #FD6BA3

square

#ECFD6B #6BFDC5 #7C6BFD #FD6BA3

split-complementary

#ECFD6B #6BA3FD #C56BFD

monochromatic

#D0EA03 #E4FC2F #ECFD6B #F4FEA7 #FBFFE1

Accessibility & contrast

On white

1.12

#ECFD6B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.83

#ECFD6B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD6B

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD6B	#FFFFFF	#000000	##000000
##ECFD6B	1.00	1.12	18.83	18.83
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.83	21.00	1.00	1.00
##000000	18.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF15B

Deuteranopia (green-blind)

#FFF474

Tritanopia (blue-blind)

#F9F0DE

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfd6b;
/* rgb */ color: rgb(236, 253, 107);
/* oklch */ color: oklch(95.4% 0.169 115.3);

Tailwind

colors: {
  custom: {
    50: '#f5fe9a',
    500: '#ecfd6b',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd6b;
$custom-light: #f5fe9a;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd6b",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 107
  },
  "hsl": {
    "h": 66.986,
    "s": 97.333,
    "l": 70.588
  },
  "oklch": {
    "l": 0.95392,
    "c": 0.16936,
    "h": 115.3
  },
  "luminance": 0.89145
}

Semantic roles & 50–950 ramp

primary

#ECFD6B

secondary

#4734D8

accent

#00E61B

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFD6B

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

Preview Lab → · Contrast checker → · Palette generator →