#ECF29F#ECF29F

#ECF29F is a very light, moderate yellow. Relative luminance 0.838; OKLCH L 93.8% C 0.105 H 111.8°. Best body text is #000000 at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#ECF29F
RGB	rgb(236, 242, 159)
HSL	hsl(64, 76%, 79%)
HSV	hsv(64, 34%, 95%)
CMYK	cmyk(2.5%, 0%, 34.3%, 5.1%)
CIE-LAB	lab(93.38, -14.41, 39.45)
CIE-LCH	lch(93.38, 42.00, 110.07°)
OKLab	oklab(93.79% -0.0389 0.0973)
OKLCH	oklch(93.79% 0.105 111.8)
XYZ	xyz(72.6027, 83.8413, 45.1525)
Luminance	0.8384 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF29F #A59FF2

analogous

#F2CE9F #ECF29F #C2F29F

triadic

#ECF29F #9FECF2 #F29FEC

tetradic

#ECF29F #9FF2CE #A59FF2 #F29FC2

square

#ECF29F #9FF2CE #A59FF2 #F29FC2

split-complementary

#ECF29F #9FC2F2 #CE9FF2

monochromatic

#D7E333 #E1EB69 #ECF29F #F7F9D5 #FAFBE4

Accessibility & contrast

On white

1.18

#ECF29F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.77

#ECF29F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF29F

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF29F	#FFFFFF	#000000	##000000
##ECF29F	1.00	1.18	17.77	17.77
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.77	21.00	1.00	1.00
##000000	17.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEEB99

Deuteranopia (green-blind)

#FEEDA3

Tritanopia (blue-blind)

#F6E9DD

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf29f;
/* rgb */ color: rgb(236, 242, 159);
/* oklch */ color: oklch(93.8% 0.105 111.8);

Tailwind

colors: {
  custom: {
    50: '#f3f6bc',
    500: '#ecf29f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf29f;
$custom-light: #f3f6bc;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf29f",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 159
  },
  "hsl": {
    "h": 64.337,
    "s": 76.147,
    "l": 78.627
  },
  "oklch": {
    "l": 0.93787,
    "c": 0.1048,
    "h": 111.8
  },
  "luminance": 0.8384
}

Semantic roles & 50–950 ramp

primary

#ECF29F

secondary

#6D65D0

accent

#0DD81C

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #ECF29F

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

Preview Lab → · Contrast checker → · Palette generator →