#ECF97E#ECF97E

#ECF97E is a very light, vivid yellow. Relative luminance 0.871; OKLCH L 94.8% C 0.148 H 114.2°. Best body text is #000000 at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#ECF97E
RGB	rgb(236, 249, 126)
HSL	hsl(66, 91%, 74%)
HSV	hsv(66, 49%, 98%)
CMYK	cmyk(5.2%, 0%, 49.4%, 2.4%)
CIE-LAB	lab(94.78, -21.20, 57.01)
CIE-LCH	lch(94.78, 60.82, 110.40°)
OKLab	oklab(94.76% -0.0607 0.1349)
OKLCH	oklch(94.76% 0.148 114.2)
XYZ	xyz(72.2348, 87.0917, 32.7397)
Luminance	0.8709 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF97E #8B7EF9

analogous

#F9C87E #ECF97E #AEF97E

triadic

#ECF97E #7EECF9 #F97EEC

tetradic

#ECF97E #7EF9C8 #8B7EF9 #F97EAE

square

#ECF97E #7EF9C8 #8B7EF9 #F97EAE

split-complementary

#ECF97E #7EAEF9 #C87EF9

monochromatic

#D9F10B #E3F644 #ECF97E #F5FCB8 #FBFEE2

Accessibility & contrast

On white

1.14

#ECF97E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.42

#ECF97E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF97E

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF97E	#FFFFFF	#000000	##000000
##ECF97E	1.00	1.14	18.42	18.42
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.42	21.00	1.00	1.00
##000000	18.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF73

Deuteranopia (green-blind)

#FFF185

Tritanopia (blue-blind)

#F9EDDD

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf97e;
/* rgb */ color: rgb(236, 249, 126);
/* oklch */ color: oklch(94.8% 0.148 114.2);

Tailwind

colors: {
  custom: {
    50: '#f4fba6',
    500: '#ecf97e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf97e;
$custom-light: #f4fba6;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf97e",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 126
  },
  "hsl": {
    "h": 66.341,
    "s": 91.111,
    "l": 73.529
  },
  "oklch": {
    "l": 0.94761,
    "c": 0.14794,
    "h": 114.2
  },
  "luminance": 0.87091
}

Semantic roles & 50–950 ramp

primary

#ECF97E

secondary

#5545D6

accent

#00E618

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#171710

muted

#858580

Preview Lab

Preview with #ECF97E

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

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