#EFF67F#EFF67F

#EFF67F is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.4% C 0.143 H 111.8°. Best body text is #000000 at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#EFF67F
RGB	rgb(239, 246, 127)
HSL	hsl(64, 87%, 73%)
HSV	hsv(64, 48%, 96%)
CMYK	cmyk(2.8%, 0%, 48.4%, 3.5%)
CIE-LAB	lab(94.22, -18.50, 55.94)
CIE-LCH	lch(94.22, 58.92, 108.30°)
OKLab	oklab(94.38% -0.0531 0.1326)
OKLCH	oklch(94.38% 0.143 111.8)
XYZ	xyz(72.3845, 85.7959, 32.8217)
Luminance	0.8579 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF67F #867FF6

analogous

#F6C17F #EFF67F #B4F67F

triadic

#EFF67F #7FEFF6 #F67FEF

tetradic

#EFF67F #7FF6C1 #867FF6 #F67FB4

square

#EFF67F #7FF6C1 #867FF6 #F67FB4

split-complementary

#EFF67F #7FB4F6 #C17FF6

monochromatic

#DDEA10 #E8F246 #EFF67F #F6FAB8 #FBFDE2

Accessibility & contrast

On white

1.16

#EFF67F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.16

#EFF67F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF67F

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF67F	#FFFFFF	#000000	##000000
##EFF67F	1.00	1.16	18.16	18.16
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.16	21.00	1.00	1.00
##000000	18.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED74

Deuteranopia (green-blind)

#FFF085

Tritanopia (blue-blind)

#FCEADB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff67f;
/* rgb */ color: rgb(239, 246, 127);
/* oklch */ color: oklch(94.4% 0.143 111.8);

Tailwind

colors: {
  custom: {
    50: '#f6f9a7',
    500: '#eff67f',
    950: '#000000',
  },
}

SCSS

$custom: #eff67f;
$custom-light: #f6f9a7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff67f",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 127
  },
  "hsl": {
    "h": 63.529,
    "s": 86.861,
    "l": 73.137
  },
  "oklch": {
    "l": 0.94378,
    "c": 0.14288,
    "h": 111.8
  },
  "luminance": 0.85795
}

Semantic roles & 50–950 ramp

primary

#EFF67F

secondary

#4F47D2

accent

#02E30F

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#171710

muted

#858580

Preview Lab

Preview with #EFF67F

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

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