#ECF078#ECF078

#ECF078 is a very light, vivid yellow. Relative luminance 0.815; OKLCH L 92.8% C 0.143 H 110.6°. Best body text is #000000 at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#ECF078
RGB	rgb(236, 240, 120)
HSL	hsl(62, 80%, 71%)
HSV	hsv(62, 50%, 94%)
CMYK	cmyk(1.7%, 0%, 50%, 5.9%)
CIE-LAB	lab(92.36, -17.38, 56.89)
CIE-LCH	lch(92.36, 59.49, 106.99°)
OKLab	oklab(92.81% -0.0504 0.1341)
OKLCH	oklch(92.81% 0.143 110.6)
XYZ	xyz(69.1438, 81.5106, 29.8564)
Luminance	0.8151 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF078 #7C78F0

analogous

#F0B878 #ECF078 #B0F078

triadic

#ECF078 #78ECF0 #F078EC

tetradic

#ECF078 #78F0B8 #7C78F0 #F078B0

square

#ECF078 #78F0B8 #7C78F0 #F078B0

split-complementary

#ECF078 #78B0F0 #B878F0

monochromatic

#D0D618 #E4EA41 #ECF078 #F4F6AF #FBFCE3

Accessibility & contrast

On white

1.21

#ECF078 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.30

#ECF078 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF078

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF078	#FFFFFF	#000000	##000000
##ECF078	1.00	1.21	17.30	17.30
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.30	21.00	1.00	1.00
##000000	17.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE76D

Deuteranopia (green-blind)

#FFEB7E

Tritanopia (blue-blind)

#FAE4D5

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf078;
/* rgb */ color: rgb(236, 240, 120);
/* oklch */ color: oklch(92.8% 0.143 110.6);

Tailwind

colors: {
  custom: {
    50: '#f4f4a2',
    500: '#ecf078',
    950: '#000000',
  },
}

SCSS

$custom: #ecf078;
$custom-light: #f4f4a2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf078",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 120
  },
  "hsl": {
    "h": 62,
    "s": 80,
    "l": 70.588
  },
  "oklch": {
    "l": 0.92809,
    "c": 0.14331,
    "h": 110.6
  },
  "luminance": 0.81509
}

Semantic roles & 50–950 ramp

primary

#ECF078

secondary

#4742CA

accent

#09DC10

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF078

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

Preview Lab → · Contrast checker → · Palette generator →