#ECF08B#ECF08B

#ECF08B is a very light, vivid yellow. Relative luminance 0.820; OKLCH L 93.1% C 0.124 H 110.6°. Best body text is #000000 at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#ECF08B
RGB	rgb(236, 240, 139)
HSL	hsl(62, 77%, 74%)
HSV	hsv(62, 42%, 94%)
CMYK	cmyk(1.7%, 0%, 42.1%, 5.9%)
CIE-LAB	lab(92.58, -15.61, 48.22)
CIE-LCH	lch(92.58, 50.69, 107.94°)
OKLab	oklab(93.06% -0.0437 0.1164)
OKLCH	oklch(93.06% 0.124 110.6)
XYZ	xyz(70.4134, 82.0184, 36.5429)
Luminance	0.8202 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF08B #8F8BF0

analogous

#F0C28B #ECF08B #BAF08B

triadic

#ECF08B #8BECF0 #F08BEC

tetradic

#ECF08B #8BF0C2 #8F8BF0 #F08BBA

square

#ECF08B #8BF0C2 #8F8BF0 #F08BBA

split-complementary

#ECF08B #8BBAF0 #C28BF0

monochromatic

#DAE21F #E3E955 #ECF08B #F5F7C1 #FBFBE4

Accessibility & contrast

On white

1.21

#ECF08B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.40

#ECF08B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF08B

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF08B	#FFFFFF	#000000	##000000
##ECF08B	1.00	1.21	17.40	17.40
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.40	21.00	1.00	1.00
##000000	17.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE883

Deuteranopia (green-blind)

#FFEB90

Tritanopia (blue-blind)

#F8E5D8

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf08b;
/* rgb */ color: rgb(236, 240, 139);
/* oklch */ color: oklch(93.1% 0.124 110.6);

Tailwind

colors: {
  custom: {
    50: '#f4f4ae',
    500: '#ecf08b',
    950: '#000000',
  },
}

SCSS

$custom: #ecf08b;
$custom-light: #f4f4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf08b",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 139
  },
  "hsl": {
    "h": 62.376,
    "s": 77.099,
    "l": 74.314
  },
  "oklch": {
    "l": 0.9306,
    "c": 0.12433,
    "h": 110.6
  },
  "luminance": 0.82017
}

Semantic roles & 50–950 ramp

primary

#ECF08B

secondary

#5853CC

accent

#0CD914

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF08B

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

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