#ECFB79#ECFB79

#ECFB79 is a very light, vivid yellow. Relative luminance 0.882; OKLCH L 95.1% C 0.155 H 114.9°. Best body text is #000000 at 18.64:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB79
RGB	rgb(236, 251, 121)
HSL	hsl(67, 94%, 73%)
HSV	hsv(67, 52%, 98%)
CMYK	cmyk(6%, 0%, 51.8%, 1.6%)
CIE-LAB	lab(95.25, -22.59, 59.83)
CIE-LCH	lch(95.25, 63.95, 110.68°)
OKLab	oklab(95.12% -0.0651 0.1406)
OKLCH	oklch(95.12% 0.155 114.9)
XYZ	xyz(72.5417, 88.2087, 31.2900)
Luminance	0.8821 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB79 #8879FB

analogous

#FBC979 #ECFB79 #ABFB79

triadic

#ECFB79 #79ECFB #FB79EC

tetradic

#ECFB79 #79FBC9 #8879FB #FB79AB

square

#ECFB79 #79FBC9 #8879FB #FB79AB

split-complementary

#ECFB79 #79ABFB #C979FB

monochromatic

#D7F207 #E4F93E #ECFB79 #F4FDB4 #FBFEE1

Accessibility & contrast

On white

1.13

#ECFB79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.64

#ECFB79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB79

18.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB79	#FFFFFF	#000000	##000000
##ECFB79	1.00	1.13	18.64	18.64
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.64	21.00	1.00	1.00
##000000	18.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF06D

Deuteranopia (green-blind)

#FFF380

Tritanopia (blue-blind)

#F9EFDE

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb79;
/* rgb */ color: rgb(236, 251, 121);
/* oklch */ color: oklch(95.1% 0.155 114.9);

Tailwind

colors: {
  custom: {
    50: '#f4fca3',
    500: '#ecfb79',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb79;
$custom-light: #f4fca3;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb79",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 121
  },
  "hsl": {
    "h": 66.923,
    "s": 94.203,
    "l": 72.941
  },
  "oklch": {
    "l": 0.9512,
    "c": 0.15495,
    "h": 114.9
  },
  "luminance": 0.88208
}

Semantic roles & 50–950 ramp

primary

#ECFB79

secondary

#5240D8

accent

#00E61A

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFB79

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

Preview Lab → · Contrast checker → · Palette generator →