#ECFC79#ECFC79

#ECFC79 is a very light, vivid yellow. Relative luminance 0.888; OKLCH L 95.3% C 0.156 H 115.2°. Best body text is #000000 at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC79
RGB	rgb(236, 252, 121)
HSL	hsl(67, 96%, 73%)
HSV	hsv(67, 52%, 99%)
CMYK	cmyk(6.3%, 0%, 52%, 1.2%)
CIE-LAB	lab(95.51, -23.06, 60.13)
CIE-LCH	lch(95.51, 64.40, 110.98°)
OKLab	oklab(95.33% -0.0665 0.1413)
OKLCH	oklch(95.33% 0.156 115.2)
XYZ	xyz(72.8549, 88.8351, 31.3944)
Luminance	0.8883 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC79 #8979FC

analogous

#FCCA79 #ECFC79 #AAFC79

triadic

#ECFC79 #79ECFC #FC79EC

tetradic

#ECFC79 #79FCCA #8979FC #FC79AA

square

#ECFC79 #79FCCA #8979FC #FC79AA

split-complementary

#ECFC79 #79AAFC #CA79FC

monochromatic

#D8F505 #E4FB3D #ECFC79 #F4FDB5 #FBFEE1

Accessibility & contrast

On white

1.12

#ECFC79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.77

#ECFC79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC79

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC79	#FFFFFF	#000000	##000000
##ECFC79	1.00	1.12	18.77	18.77
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.77	21.00	1.00	1.00
##000000	18.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF16C

Deuteranopia (green-blind)

#FFF380

Tritanopia (blue-blind)

#F9F0DF

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfc79;
/* rgb */ color: rgb(236, 252, 121);
/* oklch */ color: oklch(95.3% 0.156 115.2);

Tailwind

colors: {
  custom: {
    50: '#f4fda3',
    500: '#ecfc79',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc79;
$custom-light: #f4fda3;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc79",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 121
  },
  "hsl": {
    "h": 67.328,
    "s": 95.62,
    "l": 73.137
  },
  "oklch": {
    "l": 0.95331,
    "c": 0.15612,
    "h": 115.2
  },
  "luminance": 0.88834
}

Semantic roles & 50–950 ramp

primary

#ECFC79

secondary

#5340D9

accent

#00E61C

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFC79

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

Preview Lab → · Contrast checker → · Palette generator →