#ECFB83#ECFB83

#ECFB83 is a very light, vivid yellow. Relative luminance 0.885; OKLCH L 95.2% C 0.146 H 115.1°. Best body text is #000000 at 18.69:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB83
RGB	rgb(236, 251, 131)
HSL	hsl(68, 94%, 75%)
HSV	hsv(68, 48%, 98%)
CMYK	cmyk(6%, 0%, 47.8%, 1.6%)
CIE-LAB	lab(95.36, -21.70, 55.40)
CIE-LCH	lch(95.36, 59.50, 111.39°)
OKLab	oklab(95.24% -0.0617 0.1318)
OKLCH	oklch(95.24% 0.146 115.1)
XYZ	xyz(73.1870, 88.4669, 34.6887)
Luminance	0.8847 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB83 #9283FB

analogous

#FBCE83 #ECFB83 #B0FB83

triadic

#ECFB83 #83ECFB #FB83EC

tetradic

#ECFB83 #83FBCE #9283FB #FB83B0

square

#ECFB83 #83FBCE #9283FB #FB83B0

split-complementary

#ECFB83 #83B0FB #CE83FB

monochromatic

#DAF70C #E3F948 #ECFB83 #F5FDBE #FAFEE1

Accessibility & contrast

On white

1.12

#ECFB83 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.69

#ECFB83 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB83

18.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB83	#FFFFFF	#000000	##000000
##ECFB83	1.00	1.12	18.69	18.69
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.69	21.00	1.00	1.00
##000000	18.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF178

Deuteranopia (green-blind)

#FFF389

Tritanopia (blue-blind)

#F8EFDF

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfb83;
/* rgb */ color: rgb(236, 251, 131);
/* oklch */ color: oklch(95.2% 0.146 115.1);

Tailwind

colors: {
  custom: {
    50: '#f4fca9',
    500: '#ecfb83',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb83;
$custom-light: #f4fca9;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb83",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 131
  },
  "hsl": {
    "h": 67.5,
    "s": 93.75,
    "l": 74.902
  },
  "oklch": {
    "l": 0.95242,
    "c": 0.14552,
    "h": 115.1
  },
  "luminance": 0.88466
}

Semantic roles & 50–950 ramp

primary

#ECFB83

secondary

#5B49D9

accent

#00E61D

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECFB83

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

Preview Lab → · Contrast checker → · Palette generator →