#ECF65F#ECF65F

#ECF65F is a very light, vivid yellow. Relative luminance 0.846; OKLCH L 93.8% C 0.171 H 112.8°. Best body text is #000000 at 17.91:1 contrast (WCAG AA passes).

Color values

HEX	#ECF65F
RGB	rgb(236, 246, 95)
HSL	hsl(64, 89%, 67%)
HSV	hsv(64, 61%, 96%)
CMYK	cmyk(4.1%, 0%, 61.4%, 3.5%)
CIE-LAB	lab(93.70, -22.13, 69.20)
CIE-LCH	lch(93.70, 72.65, 107.74°)
OKLab	oklab(93.8% -0.0664 0.1577)
OKLCH	oklch(93.8% 0.171 112.8)
XYZ	xyz(69.6152, 84.5720, 23.4811)
Luminance	0.8457 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF65F #695FF6

analogous

#F6B55F #ECF65F #A0F65F

triadic

#ECF65F #5FECF6 #F65FEC

tetradic

#ECF65F #5FF6B5 #695FF6 #F65FA0

square

#ECF65F #5FF6B5 #695FF6 #F65FA0

split-complementary

#ECF65F #5FA0F6 #B55FF6

monochromatic

#C2CF0C #E5F325 #ECF65F #F3F999 #FAFDD3

Accessibility & contrast

On white

1.17

#ECF65F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.91

#ECF65F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF65F

17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF65F	#FFFFFF	#000000	##000000
##ECF65F	1.00	1.17	17.91	17.91
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.91	21.00	1.00	1.00
##000000	17.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB4C

Deuteranopia (green-blind)

#FFEF69

Tritanopia (blue-blind)

#FBE8D6

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf65f;
/* rgb */ color: rgb(236, 246, 95);
/* oklch */ color: oklch(93.8% 0.171 112.8);

Tailwind

colors: {
  custom: {
    50: '#f5f993',
    500: '#ecf65f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf65f;
$custom-light: #f5f993;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf65f",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 95
  },
  "hsl": {
    "h": 63.974,
    "s": 89.349,
    "l": 66.863
  },
  "oklch": {
    "l": 0.93804,
    "c": 0.17109,
    "h": 112.8
  },
  "luminance": 0.84571
}

Semantic roles & 50–950 ramp

primary

#ECF65F

secondary

#392FCB

accent

#00E60F

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECF65F

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

Preview Lab → · Contrast checker → · Palette generator →