#ECF271#ECF271

#ECF271 is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 93.1% C 0.152 H 111.4°. Best body text is #000000 at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#ECF271
RGB	rgb(236, 242, 113)
HSL	hsl(63, 83%, 70%)
HSV	hsv(63, 53%, 95%)
CMYK	cmyk(2.5%, 0%, 53.3%, 5.1%)
CIE-LAB	lab(92.81, -18.92, 60.57)
CIE-LCH	lch(92.81, 63.46, 107.35°)
OKLab	oklab(93.15% -0.0555 0.1414)
OKLCH	oklch(93.15% 0.152 111.4)
XYZ	xyz(69.3264, 82.5308, 27.8976)
Luminance	0.8253 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF271 #7771F2

analogous

#F2B871 #ECF271 #ABF271

triadic

#ECF271 #71ECF2 #F271EC

tetradic

#ECF271 #71F2B8 #7771F2 #F271AB

square

#ECF271 #71F2B8 #7771F2 #F271AB

split-complementary

#ECF271 #71ABF2 #B871F2

monochromatic

#CCD514 #E4ED39 #ECF271 #F4F7A9 #FBFCE1

Accessibility & contrast

On white

1.20

#ECF271 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.51

#ECF271 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF271

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF271	#FFFFFF	#000000	##000000
##ECF271	1.00	1.20	17.51	17.51
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.51	21.00	1.00	1.00
##000000	17.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE864

Deuteranopia (green-blind)

#FFEC78

Tritanopia (blue-blind)

#FAE5D5

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf271;
/* rgb */ color: rgb(236, 242, 113);
/* oklch */ color: oklch(93.1% 0.152 111.4);

Tailwind

colors: {
  custom: {
    50: '#f4f69d',
    500: '#ecf271',
    950: '#000000',
  },
}

SCSS

$custom: #ecf271;
$custom-light: #f4f69d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf271",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 113
  },
  "hsl": {
    "h": 62.791,
    "s": 83.226,
    "l": 69.608
  },
  "oklch": {
    "l": 0.93145,
    "c": 0.15194,
    "h": 111.4
  },
  "luminance": 0.82529
}

Semantic roles & 50–950 ramp

primary

#ECF271

secondary

#423CCB

accent

#06E010

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF271

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

Preview Lab → · Contrast checker → · Palette generator →