#EFF65F#EFF65F

#EFF65F is a very light, vivid yellow. Relative luminance 0.851; OKLCH L 94.0% C 0.170 H 111.8°. Best body text is #000000 at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#EFF65F
RGB	rgb(239, 246, 95)
HSL	hsl(63, 89%, 67%)
HSV	hsv(63, 61%, 96%)
CMYK	cmyk(2.8%, 0%, 61.4%, 3.5%)
CIE-LAB	lab(93.92, -20.94, 69.50)
CIE-LCH	lch(93.92, 72.59, 106.77°)
OKLab	oklab(94.04% -0.0632 0.1583)
OKLCH	oklch(94.04% 0.17 111.8)
XYZ	xyz(70.6199, 85.0901, 23.5282)
Luminance	0.8509 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF65F #665FF6

analogous

#F6B15F #EFF65F #A4F65F

triadic

#EFF65F #5FEFF6 #F65FEF

tetradic

#EFF65F #5FF6B1 #665FF6 #F65FA4

square

#EFF65F #5FF6B1 #665FF6 #F65FA4

split-complementary

#EFF65F #5FA4F6 #B15FF6

monochromatic

#C6CF0C #E9F325 #EFF65F #F5F999 #FBFDD3

Accessibility & contrast

On white

1.17

#EFF65F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.02

#EFF65F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF65F

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF65F	#FFFFFF	#000000	##000000
##EFF65F	1.00	1.17	18.02	18.02
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.02	21.00	1.00	1.00
##000000	18.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC4C

Deuteranopia (green-blind)

#FFEF69

Tritanopia (blue-blind)

#FEE8D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff65f;
/* rgb */ color: rgb(239, 246, 95);
/* oklch */ color: oklch(94.0% 0.170 111.8);

Tailwind

colors: {
  custom: {
    50: '#f7f993',
    500: '#eff65f',
    950: '#000000',
  },
}

SCSS

$custom: #eff65f;
$custom-light: #f7f993;
$custom-dark: #000000;

JSON

{
  "hex": "#eff65f",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 95
  },
  "hsl": {
    "h": 62.781,
    "s": 89.349,
    "l": 66.863
  },
  "oklch": {
    "l": 0.94038,
    "c": 0.17042,
    "h": 111.8
  },
  "luminance": 0.85088
}

Semantic roles & 50–950 ramp

primary

#EFF65F

secondary

#362FCB

accent

#00E60B

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF65F

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

Preview Lab → · Contrast checker → · Palette generator →