#ECFF7B#ECFF7B

#ECFF7B is a very light, vivid yellow. Relative luminance 0.908; OKLCH L 96.0% C 0.158 H 116.3°. Best body text is #000000 at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF7B
RGB	rgb(236, 255, 123)
HSL	hsl(69, 100%, 74%)
HSV	hsv(69, 52%, 100%)
CMYK	cmyk(7.5%, 0%, 51.8%, 0%)
CIE-LAB	lab(96.32, -24.32, 60.18)
CIE-LCH	lch(96.32, 64.91, 112.00°)
OKLab	oklab(95.99% -0.0698 0.1416)
OKLCH	oklch(95.99% 0.158 116.3)
XYZ	xyz(73.9283, 90.7838, 32.3635)
Luminance	0.9078 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF7B #8E7BFF

analogous

#FFD07B #ECFF7B #AAFF7B

triadic

#ECFF7B #7BECFF #FF7BEC

tetradic

#ECFF7B #7BFFD0 #8E7BFF #FF7BAA

square

#ECFF7B #7BFFD0 #8E7BFF #FF7BAA

split-complementary

#ECFF7B #7BAAFF #D07BFF

monochromatic

#DAFF01 #E3FF3E #ECFF7B #F5FFB8 #FBFFE0

Accessibility & contrast

On white

1.10

#ECFF7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.16

#ECFF7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF7B

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF7B	#FFFFFF	#000000	##000000
##ECFF7B	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)

#FFF46E

Deuteranopia (green-blind)

#FFF582

Tritanopia (blue-blind)

#F8F3E1

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecff7b;
/* rgb */ color: rgb(236, 255, 123);
/* oklch */ color: oklch(96.0% 0.158 116.3);

Tailwind

colors: {
  custom: {
    50: '#f4ffa4',
    500: '#ecff7b',
    950: '#000000',
  },
}

SCSS

$custom: #ecff7b;
$custom-light: #f4ffa4;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff7b",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 123
  },
  "hsl": {
    "h": 68.636,
    "s": 100,
    "l": 74.118
  },
  "oklch": {
    "l": 0.95985,
    "c": 0.15783,
    "h": 116.3
  },
  "luminance": 0.90783
}

Semantic roles & 50–950 ramp

primary

#ECFF7B

secondary

#5741DD

accent

#00E621

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17180F

muted

#858680

Preview Lab

Preview with #ECFF7B

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

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