#EFF171#EFF171

#EFF171 is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 93.2% C 0.150 H 109.8°. Best body text is #000000 at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#EFF171
RGB	rgb(239, 241, 113)
HSL	hsl(61, 82%, 69%)
HSV	hsv(61, 53%, 95%)
CMYK	cmyk(0.8%, 0%, 53.1%, 5.5%)
CIE-LAB	lab(92.78, -17.25, 60.59)
CIE-LCH	lch(92.78, 63.00, 105.89°)
OKLab	oklab(93.17% -0.0509 0.1414)
OKLCH	oklch(93.17% 0.15 109.8)
XYZ	xyz(70.0343, 82.4552, 27.8458)
Luminance	0.8245 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF171 #7371F1

analogous

#F1B371 #EFF171 #AFF171

triadic

#EFF171 #71EFF1 #F171EF

tetradic

#EFF171 #71F1B3 #7371F1 #F171AF

square

#EFF171 #71F1B3 #7371F1 #F171AF

split-complementary

#EFF171 #71AFF1 #B371F1

monochromatic

#D0D315 #E9EC39 #EFF171 #F5F6A9 #FCFCE0

Accessibility & contrast

On white

1.20

#EFF171 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.49

#EFF171 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF171

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF171	#FFFFFF	#000000	##000000
##EFF171	1.00	1.20	17.49	17.49
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.49	21.00	1.00	1.00
##000000	17.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE864

Deuteranopia (green-blind)

#FFEC78

Tritanopia (blue-blind)

#FEE4D5

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff171;
/* rgb */ color: rgb(239, 241, 113);
/* oklch */ color: oklch(93.2% 0.150 109.8);

Tailwind

colors: {
  custom: {
    50: '#f7f59d',
    500: '#eff171',
    950: '#000000',
  },
}

SCSS

$custom: #eff171;
$custom-light: #f7f59d;
$custom-dark: #000000;

JSON

{
  "hex": "#eff171",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 113
  },
  "hsl": {
    "h": 60.938,
    "s": 82.051,
    "l": 69.412
  },
  "oklch": {
    "l": 0.93174,
    "c": 0.15032,
    "h": 109.8
  },
  "luminance": 0.82454
}

Semantic roles & 50–950 ramp

primary

#EFF171

secondary

#3E3CCA

accent

#07DE0A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF171

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

Preview Lab → · Contrast checker → · Palette generator →