#ECF080#ECF080

#ECF080 is a very light, vivid yellow. Relative luminance 0.817; OKLCH L 92.9% C 0.136 H 110.6°. Best body text is #000000 at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#ECF080
RGB	rgb(236, 240, 128)
HSL	hsl(62, 79%, 72%)
HSV	hsv(62, 47%, 94%)
CMYK	cmyk(1.7%, 0%, 46.7%, 5.9%)
CIE-LAB	lab(92.45, -16.67, 53.29)
CIE-LCH	lch(92.45, 55.84, 107.37°)
OKLab	oklab(92.91% -0.0477 0.1269)
OKLCH	oklch(92.91% 0.136 110.6)
XYZ	xyz(69.6497, 81.7130, 32.5210)
Luminance	0.8171 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF080 #8480F0

analogous

#F0BC80 #ECF080 #B4F080

triadic

#ECF080 #80ECF0 #F080EC

tetradic

#ECF080 #80F0BC #8480F0 #F080B4

square

#ECF080 #80F0BC #8480F0 #F080B4

split-complementary

#ECF080 #80B4F0 #BC80F0

monochromatic

#D5DC1A #E4EA49 #ECF080 #F4F6B7 #FBFCE4

Accessibility & contrast

On white

1.21

#ECF080 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.34

#ECF080 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF080

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF080	#FFFFFF	#000000	##000000
##ECF080	1.00	1.21	17.34	17.34
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.34	21.00	1.00	1.00
##000000	17.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE776

Deuteranopia (green-blind)

#FFEB86

Tritanopia (blue-blind)

#F9E4D6

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf080;
/* rgb */ color: rgb(236, 240, 128);
/* oklch */ color: oklch(92.9% 0.136 110.6);

Tailwind

colors: {
  custom: {
    50: '#f4f4a7',
    500: '#ecf080',
    950: '#000000',
  },
}

SCSS

$custom: #ecf080;
$custom-light: #f4f4a7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf080",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 128
  },
  "hsl": {
    "h": 62.143,
    "s": 78.873,
    "l": 72.157
  },
  "oklch": {
    "l": 0.92909,
    "c": 0.13557,
    "h": 110.6
  },
  "luminance": 0.81712
}

Semantic roles & 50–950 ramp

primary

#ECF080

secondary

#4E4ACB

accent

#0ADB12

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#171710

muted

#858580

Preview Lab

Preview with #ECF080

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

Preview Lab → · Contrast checker → · Palette generator →