#ECFB9A#ECFB9A

#ECFB9A is a very light, vivid yellow. Relative luminance 0.892; OKLCH L 95.6% C 0.122 H 115.9°. Best body text is #000000 at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB9A
RGB	rgb(236, 251, 154)
HSL	hsl(69, 92%, 79%)
HSV	hsv(69, 39%, 98%)
CMYK	cmyk(6%, 0%, 38.6%, 1.6%)
CIE-LAB	lab(95.65, -19.36, 44.83)
CIE-LCH	lch(95.65, 48.83, 113.36°)
OKLab	oklab(95.57% -0.0533 0.1095)
OKLCH	oklch(95.57% 0.122 115.9)
XYZ	xyz(74.9224, 89.1610, 43.8284)
Luminance	0.8916 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB9A #A99AFB

analogous

#FBD99A #ECFB9A #BCFB9A

triadic

#ECFB9A #9AECFB #FB9AEC

tetradic

#ECFB9A #9AFBD9 #A99AFB #FB9ABC

square

#ECFB9A #9AFBD9 #A99AFB #FB9ABC

split-complementary

#ECFB9A #9ABCFB #D99AFB

monochromatic

#D6F624 #E1F95F #ECFB9A #F7FDD5 #F9FEE2

Accessibility & contrast

On white

1.12

#ECFB9A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.83

#ECFB9A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB9A

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB9A	#FFFFFF	#000000	##000000
##ECFB9A	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)

#FFF293

Deuteranopia (green-blind)

#FFF39F

Tritanopia (blue-blind)

#F6F1E3

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfb9a;
/* rgb */ color: rgb(236, 251, 154);
/* oklch */ color: oklch(95.6% 0.122 115.9);

Tailwind

colors: {
  custom: {
    50: '#f3fcb9',
    500: '#ecfb9a',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb9a;
$custom-light: #f3fcb9;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb9a",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 154
  },
  "hsl": {
    "h": 69.278,
    "s": 92.381,
    "l": 79.412
  },
  "oklch": {
    "l": 0.95568,
    "c": 0.12177,
    "h": 115.9
  },
  "luminance": 0.8916
}

Semantic roles & 50–950 ramp

primary

#ECFB9A

secondary

#715DDC

accent

#00E623

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECFB9A

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

Preview Lab → · Contrast checker → · Palette generator →