#ECFD91#ECFD91

#ECFD91 is a very light, vivid yellow. Relative luminance 0.901; OKLCH L 95.9% C 0.134 H 116.3°. Best body text is #000000 at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD91
RGB	rgb(236, 253, 145)
HSL	hsl(69, 96%, 78%)
HSV	hsv(69, 43%, 99%)
CMYK	cmyk(6.7%, 0%, 42.7%, 0.8%)
CIE-LAB	lab(96.05, -21.29, 49.67)
CIE-LCH	lch(96.05, 54.04, 113.20°)
OKLab	oklab(95.85% -0.0594 0.12)
OKLCH	oklch(95.85% 0.134 116.3)
XYZ	xyz(74.8288, 90.1285, 40.2371)
Luminance	0.9013 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD91 #A291FD

analogous

#FDD891 #ECFD91 #B6FD91

triadic

#ECFD91 #91ECFD #FD91EC

tetradic

#ECFD91 #91FDD8 #A291FD #FD91B6

square

#ECFD91 #91FDD8 #A291FD #FD91B6

split-complementary

#ECFD91 #91B6FD #D891FD

monochromatic

#D7FB19 #E2FC55 #ECFD91 #F6FECD #FAFEE1

Accessibility & contrast

On white

1.10

#ECFD91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.03

#ECFD91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD91

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD91	#FFFFFF	#000000	##000000
##ECFD91	1.00	1.10	19.03	19.03
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.03	21.00	1.00	1.00
##000000	19.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF388

Deuteranopia (green-blind)

#FFF596

Tritanopia (blue-blind)

#F7F2E3

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecfd91;
/* rgb */ color: rgb(236, 253, 145);
/* oklch */ color: oklch(95.9% 0.134 116.3);

Tailwind

colors: {
  custom: {
    50: '#f3feb3',
    500: '#ecfd91',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd91;
$custom-light: #f3feb3;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd91",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 145
  },
  "hsl": {
    "h": 69.444,
    "s": 96.429,
    "l": 78.039
  },
  "oklch": {
    "l": 0.95851,
    "c": 0.13388,
    "h": 116.3
  },
  "luminance": 0.90128
}

Semantic roles & 50–950 ramp

primary

#ECFD91

secondary

#6A54DE

accent

#00E624

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECFD91

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

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