#ECFB7C#ECFB7C

#ECFB7C is a very light, vivid yellow. Relative luminance 0.883; OKLCH L 95.2% C 0.152 H 114.9°. Best body text is #000000 at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB7C
RGB	rgb(236, 251, 124)
HSL	hsl(67, 94%, 74%)
HSV	hsv(67, 51%, 98%)
CMYK	cmyk(6%, 0%, 50.6%, 1.6%)
CIE-LAB	lab(95.28, -22.33, 58.51)
CIE-LCH	lch(95.28, 62.63, 110.89°)
OKLab	oklab(95.16% -0.0641 0.138)
OKLCH	oklch(95.16% 0.152 114.9)
XYZ	xyz(72.7285, 88.2835, 32.2740)
Luminance	0.8828 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB7C #8B7CFB

analogous

#FBCA7C #ECFB7C #ACFB7C

triadic

#ECFB7C #7CECFB #FB7CEC

tetradic

#ECFB7C #7CFBCA #8B7CFB #FB7CAC

square

#ECFB7C #7CFBCA #8B7CFB #FB7CAC

split-complementary

#ECFB7C #7CACFB #CA7CFB

monochromatic

#D9F507 #E3F941 #ECFB7C #F5FDB7 #FBFEE1

Accessibility & contrast

On white

1.13

#ECFB7C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.66

#ECFB7C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB7C

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB7C	#FFFFFF	#000000	##000000
##ECFB7C	1.00	1.13	18.66	18.66
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.66	21.00	1.00	1.00
##000000	18.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF070

Deuteranopia (green-blind)

#FFF383

Tritanopia (blue-blind)

#F9EFDE

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb7c;
/* rgb */ color: rgb(236, 251, 124);
/* oklch */ color: oklch(95.2% 0.152 114.9);

Tailwind

colors: {
  custom: {
    50: '#f4fca5',
    500: '#ecfb7c',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb7c;
$custom-light: #f4fca5;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb7c",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 124
  },
  "hsl": {
    "h": 67.087,
    "s": 94.074,
    "l": 73.529
  },
  "oklch": {
    "l": 0.95156,
    "c": 0.15218,
    "h": 114.9
  },
  "luminance": 0.88282
}

Semantic roles & 50–950 ramp

primary

#ECFB7C

secondary

#5543D8

accent

#00E61B

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFB7C

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

Preview Lab → · Contrast checker → · Palette generator →