#ECFB6D#ECFB6D

#ECFB6D is a very light, vivid yellow. Relative luminance 0.879; OKLCH L 95.0% C 0.165 H 114.6°. Best body text is #000000 at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB6D
RGB	rgb(236, 251, 109)
HSL	hsl(66, 95%, 71%)
HSV	hsv(66, 57%, 98%)
CMYK	cmyk(6%, 0%, 56.6%, 1.6%)
CIE-LAB	lab(95.13, -23.54, 64.95)
CIE-LCH	lch(95.13, 69.09, 109.92°)
OKLab	oklab(94.99% -0.069 0.1504)
OKLCH	oklch(94.99% 0.165 114.6)
XYZ	xyz(71.8510, 87.9325, 27.6526)
Luminance	0.8793 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB6D #7C6DFB

analogous

#FBC36D #ECFB6D #A5FB6D

triadic

#ECFB6D #6DECFB #FB6DEC

tetradic

#ECFB6D #6DFBC3 #7C6DFB #FB6DA5

square

#ECFB6D #6DFBC3 #7C6DFB #FB6DA5

split-complementary

#ECFB6D #6DA5FB #C36DFB

monochromatic

#D0E706 #E4F931 #ECFB6D #F4FDA9 #FBFEE1

Accessibility & contrast

On white

1.13

#ECFB6D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.59

#ECFB6D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB6D

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB6D	#FFFFFF	#000000	##000000
##ECFB6D	1.00	1.13	18.59	18.59
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.59	21.00	1.00	1.00
##000000	18.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF05E

Deuteranopia (green-blind)

#FFF276

Tritanopia (blue-blind)

#FAEEDC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb6d;
/* rgb */ color: rgb(236, 251, 109);
/* oklch */ color: oklch(95.0% 0.165 114.6);

Tailwind

colors: {
  custom: {
    50: '#f5fc9b',
    500: '#ecfb6d',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb6d;
$custom-light: #f5fc9b;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb6d",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 109
  },
  "hsl": {
    "h": 66.338,
    "s": 94.667,
    "l": 70.588
  },
  "oklch": {
    "l": 0.9499,
    "c": 0.16545,
    "h": 114.6
  },
  "luminance": 0.87931
}

Semantic roles & 50–950 ramp

primary

#ECFB6D

secondary

#4736D6

accent

#00E618

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFB6D

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

Preview Lab → · Contrast checker → · Palette generator →