#ECF97A#ECF97A

#ECF97A is a very light, vivid yellow. Relative luminance 0.870; OKLCH L 94.7% C 0.152 H 114.2°. Best body text is #000000 at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#ECF97A
RGB	rgb(236, 249, 122)
HSL	hsl(66, 91%, 73%)
HSV	hsv(66, 51%, 98%)
CMYK	cmyk(5.2%, 0%, 51%, 2.4%)
CIE-LAB	lab(94.73, -21.55, 58.77)
CIE-LCH	lch(94.73, 62.60, 110.13°)
OKLab	oklab(94.71% -0.0621 0.1384)
OKLCH	oklch(94.71% 0.152 114.2)
XYZ	xyz(71.9819, 86.9905, 31.4075)
Luminance	0.8699 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF97A #877AF9

analogous

#F9C77A #ECF97A #ACF97A

triadic

#ECF97A #7AECF9 #F97AEC

tetradic

#ECF97A #7AF9C7 #877AF9 #F97AAC

square

#ECF97A #7AF9C7 #877AF9 #F97AAC

split-complementary

#ECF97A #7AACF9 #C77AF9

monochromatic

#D7EE0B #E4F63F #ECF97A #F4FCB5 #FBFEE2

Accessibility & contrast

On white

1.14

#ECF97A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.40

#ECF97A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF97A

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF97A	#FFFFFF	#000000	##000000
##ECF97A	1.00	1.14	18.40	18.40
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.40	21.00	1.00	1.00
##000000	18.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF6E

Deuteranopia (green-blind)

#FFF181

Tritanopia (blue-blind)

#F9EDDC

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf97a;
/* rgb */ color: rgb(236, 249, 122);
/* oklch */ color: oklch(94.7% 0.152 114.2);

Tailwind

colors: {
  custom: {
    50: '#f4fba4',
    500: '#ecf97a',
    950: '#000000',
  },
}

SCSS

$custom: #ecf97a;
$custom-light: #f4fba4;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf97a",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 122
  },
  "hsl": {
    "h": 66.142,
    "s": 91.367,
    "l": 72.745
  },
  "oklch": {
    "l": 0.94712,
    "c": 0.15169,
    "h": 114.2
  },
  "luminance": 0.86989
}

Semantic roles & 50–950 ramp

primary

#ECF97A

secondary

#5142D5

accent

#00E617

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF97A

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

Preview Lab → · Contrast checker → · Palette generator →