#EFF271#EFF271

#EFF271 is a very light, vivid yellow. Relative luminance 0.830; OKLCH L 93.4% C 0.151 H 110.2°. Best body text is #000000 at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#EFF271
RGB	rgb(239, 242, 113)
HSL	hsl(61, 83%, 70%)
HSV	hsv(61, 53%, 95%)
CMYK	cmyk(1.2%, 0%, 53.3%, 5.1%)
CIE-LAB	lab(93.04, -17.74, 60.89)
CIE-LCH	lch(93.04, 63.42, 106.24°)
OKLab	oklab(93.38% -0.0523 0.1421)
OKLCH	oklch(93.38% 0.151 110.2)
XYZ	xyz(70.3311, 83.0489, 27.9447)
Luminance	0.8305 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF271 #7471F2

analogous

#F2B471 #EFF271 #AFF271

triadic

#EFF271 #71EFF2 #F271EF

tetradic

#EFF271 #71F2B4 #7471F2 #F271AF

square

#EFF271 #71F2B4 #7471F2 #F271AF

split-complementary

#EFF271 #71AFF2 #B471F2

monochromatic

#D1D514 #E9ED39 #EFF271 #F5F7A9 #FCFCE1

Accessibility & contrast

On white

1.19

#EFF271 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.61

#EFF271 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF271

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF271	#FFFFFF	#000000	##000000
##EFF271	1.00	1.19	17.61	17.61
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.61	21.00	1.00	1.00
##000000	17.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE964

Deuteranopia (green-blind)

#FFED78

Tritanopia (blue-blind)

#FDE5D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff271;
/* rgb */ color: rgb(239, 242, 113);
/* oklch */ color: oklch(93.4% 0.151 110.2);

Tailwind

colors: {
  custom: {
    50: '#f7f69d',
    500: '#eff271',
    950: '#000000',
  },
}

SCSS

$custom: #eff271;
$custom-light: #f7f69d;
$custom-dark: #000000;

JSON

{
  "hex": "#eff271",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 113
  },
  "hsl": {
    "h": 61.395,
    "s": 83.226,
    "l": 69.608
  },
  "oklch": {
    "l": 0.93382,
    "c": 0.1514,
    "h": 110.2
  },
  "luminance": 0.83047
}

Semantic roles & 50–950 ramp

primary

#EFF271

secondary

#3F3CCB

accent

#06E00B

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF271

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

Preview Lab → · Contrast checker → · Palette generator →