#ECFE61#ECFE61

#ECFE61 is a very light, vivid yellow. Relative luminance 0.896; OKLCH L 95.5% C 0.178 H 115.4°. Best body text is #000000 at 18.92:1 contrast (WCAG AA passes).

Color values

HEX	#ECFE61
RGB	rgb(236, 254, 97)
HSL	hsl(67, 99%, 69%)
HSV	hsv(67, 62%, 100%)
CMYK	cmyk(7.1%, 0%, 61.8%, 0.4%)
CIE-LAB	lab(95.82, -25.79, 70.67)
CIE-LCH	lch(95.82, 75.23, 110.05°)
OKLab	oklab(95.51% -0.0765 0.1611)
OKLCH	oklch(95.51% 0.178 115.4)
XYZ	xyz(72.1932, 89.5806, 24.7947)
Luminance	0.8958 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFE61 #7361FE

analogous

#FEC261 #ECFE61 #9EFE61

triadic

#ECFE61 #61ECFE #FE61EC

tetradic

#ECFE61 #61FEC2 #7361FE #FE619E

square

#ECFE61 #61FEC2 #7361FE #FE619E

split-complementary

#ECFE61 #619EFE #C261FE

monochromatic

#C9E301 #E5FE24 #ECFE61 #F3FE9E #FBFFDB

Accessibility & contrast

On white

1.11

#ECFE61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.92

#ECFE61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFE61

18.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFE61	#FFFFFF	#000000	##000000
##ECFE61	1.00	1.11	18.92	18.92
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.92	21.00	1.00	1.00
##000000	18.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF24D

Deuteranopia (green-blind)

#FFF46B

Tritanopia (blue-blind)

#FAF0DD

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfe61;
/* rgb */ color: rgb(236, 254, 97);
/* oklch */ color: oklch(95.5% 0.178 115.4);

Tailwind

colors: {
  custom: {
    50: '#f5fe94',
    500: '#ecfe61',
    950: '#000000',
  },
}

SCSS

$custom: #ecfe61;
$custom-light: #f5fe94;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfe61",
  "rgb": {
    "r": 236,
    "g": 254,
    "b": 97
  },
  "hsl": {
    "h": 66.879,
    "s": 98.742,
    "l": 68.824
  },
  "oklch": {
    "l": 0.9551,
    "c": 0.17828,
    "h": 115.4
  },
  "luminance": 0.8958
}

Semantic roles & 50–950 ramp

primary

#ECFE61

secondary

#3F2BD8

accent

#00E61A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFE61

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

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