#ECF261#ECF261

#ECF261 is a very light, vivid yellow. Relative luminance 0.822; OKLCH L 93.0% C 0.165 H 111.4°. Best body text is #000000 at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#ECF261
RGB	rgb(236, 242, 97)
HSL	hsl(62, 85%, 66%)
HSV	hsv(62, 60%, 95%)
CMYK	cmyk(2.5%, 0%, 59.9%, 5.1%)
CIE-LAB	lab(92.66, -20.09, 67.27)
CIE-LCH	lch(92.66, 70.21, 106.62°)
OKLab	oklab(92.98% -0.0604 0.1539)
OKLCH	oklch(92.98% 0.165 111.4)
XYZ	xyz(68.5037, 82.2018, 23.5648)
Luminance	0.8220 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF261 #6761F2

analogous

#F2B061 #ECF261 #A4F261

triadic

#ECF261 #61ECF2 #F261EC

tetradic

#ECF261 #61F2B0 #6761F2 #F261A4

square

#ECF261 #61F2B0 #6761F2 #F261A4

split-complementary

#ECF261 #61A4F2 #B061F2

monochromatic

#C1C810 #E5ED28 #ECF261 #F3F79A #FAFBD2

Accessibility & contrast

On white

1.20

#ECF261 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.44

#ECF261 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF261

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF261	#FFFFFF	#000000	##000000
##ECF261	1.00	1.20	17.44	17.44
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.44	21.00	1.00	1.00
##000000	17.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE850

Deuteranopia (green-blind)

#FFEC6A

Tritanopia (blue-blind)

#FBE4D3

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf261;
/* rgb */ color: rgb(236, 242, 97);
/* oklch */ color: oklch(93.0% 0.165 111.4);

Tailwind

colors: {
  custom: {
    50: '#f5f694',
    500: '#ecf261',
    950: '#000000',
  },
}

SCSS

$custom: #ecf261;
$custom-light: #f5f694;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf261",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 97
  },
  "hsl": {
    "h": 62.483,
    "s": 84.795,
    "l": 66.471
  },
  "oklch": {
    "l": 0.92982,
    "c": 0.16531,
    "h": 111.4
  },
  "luminance": 0.822
}

Semantic roles & 50–950 ramp

primary

#ECF261

secondary

#3832C5

accent

#04E10D

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF261

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

Preview Lab → · Contrast checker → · Palette generator →