#ECF98A#ECF98A

#ECF98A is a very light, vivid yellow. Relative luminance 0.874; OKLCH L 94.9% C 0.136 H 114.5°. Best body text is #000000 at 18.48:1 contrast (WCAG AA passes).

Color values

HEX	#ECF98A
RGB	rgb(236, 249, 138)
HSL	hsl(67, 90%, 76%)
HSV	hsv(67, 45%, 98%)
CMYK	cmyk(5.2%, 0%, 44.6%, 2.4%)
CIE-LAB	lab(94.92, -20.08, 51.59)
CIE-LCH	lch(94.92, 55.36, 111.26°)
OKLab	oklab(94.92% -0.0565 0.1239)
OKLCH	oklch(94.92% 0.136 114.5)
XYZ	xyz(73.0561, 87.4202, 37.0650)
Luminance	0.8742 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF98A #978AF9

analogous

#F9CE8A #ECF98A #B4F98A

triadic

#ECF98A #8AECF9 #F98AEC

tetradic

#ECF98A #8AF9CE #978AF9 #F98AB4

square

#ECF98A #8AF9CE #978AF9 #F98AB4

split-complementary

#ECF98A #8AB4F9 #CE8AF9

monochromatic

#D9F316 #E3F650 #ECF98A #F5FCC4 #FAFEE2

Accessibility & contrast

On white

1.14

#ECF98A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.48

#ECF98A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF98A

18.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF98A	#FFFFFF	#000000	##000000
##ECF98A	1.00	1.14	18.48	18.48
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.48	21.00	1.00	1.00
##000000	18.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF81

Deuteranopia (green-blind)

#FFF290

Tritanopia (blue-blind)

#F8EEDF

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf98a;
/* rgb */ color: rgb(236, 249, 138);
/* oklch */ color: oklch(94.9% 0.136 114.5);

Tailwind

colors: {
  custom: {
    50: '#f4fbae',
    500: '#ecf98a',
    950: '#000000',
  },
}

SCSS

$custom: #ecf98a;
$custom-light: #f4fbae;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf98a",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 138
  },
  "hsl": {
    "h": 67.027,
    "s": 90.244,
    "l": 75.882
  },
  "oklch": {
    "l": 0.94917,
    "c": 0.13613,
    "h": 114.5
  },
  "luminance": 0.87419
}

Semantic roles & 50–950 ramp

primary

#ECF98A

secondary

#6050D7

accent

#00E61B

background

#FFFFFD

surface

#FEFFF7

border

#D6D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF98A

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

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