#ECF083#ECF083

#ECF083 is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 92.9% C 0.133 H 110.6°. Best body text is #000000 at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#ECF083
RGB	rgb(236, 240, 131)
HSL	hsl(62, 78%, 73%)
HSV	hsv(62, 45%, 94%)
CMYK	cmyk(1.7%, 0%, 45.4%, 5.9%)
CIE-LAB	lab(92.48, -16.39, 51.92)
CIE-LCH	lch(92.48, 54.45, 107.52°)
OKLab	oklab(92.95% -0.0466 0.1241)
OKLCH	oklch(92.95% 0.133 110.6)
XYZ	xyz(69.8501, 81.7931, 33.5764)
Luminance	0.8179 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF083 #8783F0

analogous

#F0BE83 #ECF083 #B5F083

triadic

#ECF083 #83ECF0 #F083EC

tetradic

#ECF083 #83F0BE #8783F0 #F083B5

square

#ECF083 #83F0BE #8783F0 #F083B5

split-complementary

#ECF083 #83B5F0 #BE83F0

monochromatic

#D7DE1B #E4E94C #ECF083 #F4F7BA #FBFCE4

Accessibility & contrast

On white

1.21

#ECF083 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.36

#ECF083 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF083

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF083	#FFFFFF	#000000	##000000
##ECF083	1.00	1.21	17.36	17.36
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.36	21.00	1.00	1.00
##000000	17.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE87A

Deuteranopia (green-blind)

#FFEB88

Tritanopia (blue-blind)

#F9E4D6

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf083;
/* rgb */ color: rgb(236, 240, 131);
/* oklch */ color: oklch(92.9% 0.133 110.6);

Tailwind

colors: {
  custom: {
    50: '#f4f4a9',
    500: '#ecf083',
    950: '#000000',
  },
}

SCSS

$custom: #ecf083;
$custom-light: #f4f4a9;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf083",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 131
  },
  "hsl": {
    "h": 62.202,
    "s": 78.417,
    "l": 72.745
  },
  "oklch": {
    "l": 0.92949,
    "c": 0.13258,
    "h": 110.6
  },
  "luminance": 0.81792
}

Semantic roles & 50–950 ramp

primary

#ECF083

secondary

#514CCB

accent

#0BDB12

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF083

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

Preview Lab → · Contrast checker → · Palette generator →