#ECF29A#ECF29A

#ECF29A is a very light, moderate yellow. Relative luminance 0.837; OKLCH L 93.7% C 0.110 H 111.7°. Best body text is #000000 at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#ECF29A
RGB	rgb(236, 242, 154)
HSL	hsl(64, 77%, 78%)
HSV	hsv(64, 36%, 95%)
CMYK	cmyk(2.5%, 0%, 36.4%, 5.1%)
CIE-LAB	lab(93.31, -14.99, 41.83)
CIE-LCH	lch(93.31, 44.43, 109.71°)
OKLab	oklab(93.7% -0.0408 0.1026)
OKLCH	oklch(93.7% 0.11 111.7)
XYZ	xyz(72.1775, 83.6713, 42.9135)
Luminance	0.8367 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF29A #A09AF2

analogous

#F2CC9A #ECF29A #C0F29A

triadic

#ECF29A #9AECF2 #F29AEC

tetradic

#ECF29A #9AF2CC #A09AF2 #F29AC0

square

#ECF29A #9AF2CC #A09AF2 #F29AC0

split-complementary

#ECF29A #9AC0F2 #CC9AF2

monochromatic

#D8E42E #E2EB64 #ECF29A #F6F9D0 #FAFCE4

Accessibility & contrast

On white

1.18

#ECF29A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.73

#ECF29A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF29A

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF29A	#FFFFFF	#000000	##000000
##ECF29A	1.00	1.18	17.73	17.73
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.73	21.00	1.00	1.00
##000000	17.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA94

Deuteranopia (green-blind)

#FFED9E

Tritanopia (blue-blind)

#F7E8DC

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf29a;
/* rgb */ color: rgb(236, 242, 154);
/* oklch */ color: oklch(93.7% 0.110 111.7);

Tailwind

colors: {
  custom: {
    50: '#f3f6b9',
    500: '#ecf29a',
    950: '#000000',
  },
}

SCSS

$custom: #ecf29a;
$custom-light: #f3f6b9;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf29a",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 154
  },
  "hsl": {
    "h": 64.091,
    "s": 77.193,
    "l": 77.647
  },
  "oklch": {
    "l": 0.93704,
    "c": 0.11045,
    "h": 111.7
  },
  "luminance": 0.8367
}

Semantic roles & 50–950 ramp

primary

#ECF29A

secondary

#6860D0

accent

#0CD91A

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF29A

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

Preview Lab → · Contrast checker → · Palette generator →