#ECFB8A#ECFB8A

#ECFB8A is a very light, vivid yellow. Relative luminance 0.887; OKLCH L 95.3% C 0.139 H 115.3°. Best body text is #000000 at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB8A
RGB	rgb(236, 251, 138)
HSL	hsl(68, 93%, 76%)
HSV	hsv(68, 45%, 98%)
CMYK	cmyk(6%, 0%, 45%, 1.6%)
CIE-LAB	lab(95.44, -21.04, 52.23)
CIE-LCH	lch(95.44, 56.31, 111.94°)
OKLab	oklab(95.34% -0.0592 0.1253)
OKLCH	oklch(95.34% 0.139 115.3)
XYZ	xyz(73.6775, 88.6631, 37.2722)
Luminance	0.8866 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB8A #998AFB

analogous

#FBD28A #ECFB8A #B4FB8A

triadic

#ECFB8A #8AECFB #FB8AEC

tetradic

#ECFB8A #8AFBD2 #998AFB #FB8AB4

square

#ECFB8A #8AFBD2 #998AFB #FB8AB4

split-complementary

#ECFB8A #8AB4FB #D28AFB

monochromatic

#D9F714 #E2F94F #ECFB8A #F6FDC5 #FAFEE1

Accessibility & contrast

On white

1.12

#ECFB8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.73

#ECFB8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB8A

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB8A	#FFFFFF	#000000	##000000
##ECFB8A	1.00	1.12	18.73	18.73
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.73	21.00	1.00	1.00
##000000	18.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF181

Deuteranopia (green-blind)

#FFF390

Tritanopia (blue-blind)

#F7F0E0

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfb8a;
/* rgb */ color: rgb(236, 251, 138);
/* oklch */ color: oklch(95.3% 0.139 115.3);

Tailwind

colors: {
  custom: {
    50: '#f4fcae',
    500: '#ecfb8a',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb8a;
$custom-light: #f4fcae;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb8a",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 138
  },
  "hsl": {
    "h": 67.965,
    "s": 93.388,
    "l": 76.275
  },
  "oklch": {
    "l": 0.95335,
    "c": 0.13858,
    "h": 115.3
  },
  "luminance": 0.88662
}

Semantic roles & 50–950 ramp

primary

#ECFB8A

secondary

#624FDA

accent

#00E61E

background

#FFFFFD

surface

#FEFFF7

border

#D6D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECFB8A

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

Preview Lab → · Contrast checker → · Palette generator →