#ECF077#ECF077

#ECF077 is a very light, vivid yellow. Relative luminance 0.815; OKLCH L 92.8% C 0.144 H 110.6°. Best body text is #000000 at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#ECF077
RGB	rgb(236, 240, 119)
HSL	hsl(62, 80%, 70%)
HSV	hsv(62, 50%, 94%)
CMYK	cmyk(1.7%, 0%, 50.4%, 5.9%)
CIE-LAB	lab(92.35, -17.46, 57.34)
CIE-LCH	lch(92.35, 59.94, 106.94°)
OKLab	oklab(92.8% -0.0508 0.135)
OKLCH	oklch(92.8% 0.144 110.6)
XYZ	xyz(69.0834, 81.4864, 29.5385)
Luminance	0.8148 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF077 #7B77F0

analogous

#F0B777 #ECF077 #B0F077

triadic

#ECF077 #77ECF0 #F077EC

tetradic

#ECF077 #77F0B7 #7B77F0 #F077B0

square

#ECF077 #77F0B7 #7B77F0 #F077B0

split-complementary

#ECF077 #77B0F0 #B777F0

monochromatic

#CFD518 #E4EA40 #ECF077 #F4F6AE #FBFCE3

Accessibility & contrast

On white

1.21

#ECF077 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.30

#ECF077 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF077

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF077	#FFFFFF	#000000	##000000
##ECF077	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)

#FFE76C

Deuteranopia (green-blind)

#FFEB7D

Tritanopia (blue-blind)

#FAE4D5

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf077;
/* rgb */ color: rgb(236, 240, 119);
/* oklch */ color: oklch(92.8% 0.144 110.6);

Tailwind

colors: {
  custom: {
    50: '#f4f4a1',
    500: '#ecf077',
    950: '#000000',
  },
}

SCSS

$custom: #ecf077;
$custom-light: #f4f4a1;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf077",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 119
  },
  "hsl": {
    "h": 61.983,
    "s": 80.132,
    "l": 70.392
  },
  "oklch": {
    "l": 0.92797,
    "c": 0.14424,
    "h": 110.6
  },
  "luminance": 0.81485
}

Semantic roles & 50–950 ramp

primary

#ECF077

secondary

#4642CA

accent

#09DC10

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF077

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

Preview Lab → · Contrast checker → · Palette generator →