#ECFF7C#ECFF7C

#ECFF7C is a very light, vivid yellow. Relative luminance 0.908; OKLCH L 96.0% C 0.157 H 116.3°. Best body text is #000000 at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF7C
RGB	rgb(236, 255, 124)
HSL	hsl(69, 100%, 74%)
HSV	hsv(69, 51%, 100%)
CMYK	cmyk(7.5%, 0%, 51.4%, 0%)
CIE-LAB	lab(96.33, -24.23, 59.75)
CIE-LCH	lch(96.33, 64.47, 112.07°)
OKLab	oklab(96% -0.0695 0.1407)
OKLCH	oklch(96% 0.157 116.3)
XYZ	xyz(73.9912, 90.8089, 32.6949)
Luminance	0.9081 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF7C #8F7CFF

analogous

#FFD07C #ECFF7C #ABFF7C

triadic

#ECFF7C #7CECFF #FF7CEC

tetradic

#ECFF7C #7CFFD0 #8F7CFF #FF7CAB

square

#ECFF7C #7CFFD0 #8F7CFF #FF7CAB

split-complementary

#ECFF7C #7CABFF #D07CFF

monochromatic

#DAFF02 #E3FF3F #ECFF7C #F5FFB9 #FBFFE0

Accessibility & contrast

On white

1.10

#ECFF7C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.16

#ECFF7C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF7C

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF7C	#FFFFFF	#000000	##000000
##ECFF7C	1.00	1.10	19.16	19.16
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.16	21.00	1.00	1.00
##000000	19.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF470

Deuteranopia (green-blind)

#FFF583

Tritanopia (blue-blind)

#F8F3E1

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecff7c;
/* rgb */ color: rgb(236, 255, 124);
/* oklch */ color: oklch(96.0% 0.157 116.3);

Tailwind

colors: {
  custom: {
    50: '#f4ffa5',
    500: '#ecff7c',
    950: '#000000',
  },
}

SCSS

$custom: #ecff7c;
$custom-light: #f4ffa5;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff7c",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 124
  },
  "hsl": {
    "h": 68.702,
    "s": 100,
    "l": 74.314
  },
  "oklch": {
    "l": 0.95997,
    "c": 0.15692,
    "h": 116.3
  },
  "luminance": 0.90808
}

Semantic roles & 50–950 ramp

primary

#ECFF7C

secondary

#5842DE

accent

#00E621

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17180F

muted

#858680

Preview Lab

Preview with #ECFF7C

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

Preview Lab → · Contrast checker → · Palette generator →