#ECFA78#ECFA78

#ECFA78 is a very light, vivid yellow. Relative luminance 0.876; OKLCH L 94.9% C 0.155 H 114.5°. Best body text is #000000 at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#ECFA78
RGB	rgb(236, 250, 120)
HSL	hsl(66, 93%, 73%)
HSV	hsv(66, 52%, 98%)
CMYK	cmyk(5.6%, 0%, 52%, 2%)
CIE-LAB	lab(94.98, -22.19, 59.96)
CIE-LCH	lch(94.98, 63.93, 110.31°)
OKLab	oklab(94.9% -0.0641 0.1408)
OKLCH	oklch(94.9% 0.155 114.5)
XYZ	xyz(72.1691, 87.5612, 30.8648)
Luminance	0.8756 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFA78 #8678FA

analogous

#FAC778 #ECFA78 #ABFA78

triadic

#ECFA78 #78ECFA #FA78EC

tetradic

#ECFA78 #78FAC7 #8678FA #FA78AB

square

#ECFA78 #78FAC7 #8678FA #FA78AB

split-complementary

#ECFA78 #78ABFA #C778FA

monochromatic

#D6EF09 #E4F83D #ECFA78 #F4FCB3 #FBFEE1

Accessibility & contrast

On white

1.13

#ECFA78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.51

#ECFA78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFA78

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFA78	#FFFFFF	#000000	##000000
##ECFA78	1.00	1.13	18.51	18.51
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.51	21.00	1.00	1.00
##000000	18.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF6B

Deuteranopia (green-blind)

#FFF27F

Tritanopia (blue-blind)

#F9EEDD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfa78;
/* rgb */ color: rgb(236, 250, 120);
/* oklch */ color: oklch(94.9% 0.155 114.5);

Tailwind

colors: {
  custom: {
    50: '#f4fba2',
    500: '#ecfa78',
    950: '#000000',
  },
}

SCSS

$custom: #ecfa78;
$custom-light: #f4fba2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfa78",
  "rgb": {
    "r": 236,
    "g": 250,
    "b": 120
  },
  "hsl": {
    "h": 66.462,
    "s": 92.857,
    "l": 72.549
  },
  "oklch": {
    "l": 0.94899,
    "c": 0.1547,
    "h": 114.5
  },
  "luminance": 0.8756
}

Semantic roles & 50–950 ramp

primary

#ECFA78

secondary

#5040D6

accent

#00E619

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFA78

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

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