#E1F051#E1F051

#E1F051 is a very light, vivid yellow. Relative luminance 0.789; OKLCH L 91.6% C 0.177 H 114.6°. Best body text is #000000 at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#E1F051
RGB	rgb(225, 240, 81)
HSL	hsl(66, 84%, 63%)
HSV	hsv(66, 66%, 94%)
CMYK	cmyk(6.3%, 0%, 66.3%, 5.9%)
CIE-LAB	lab(91.20, -24.51, 71.78)
CIE-LCH	lch(91.20, 75.85, 108.85°)
OKLab	oklab(91.57% -0.0738 0.1614)
OKLCH	oklch(91.57% 0.177 114.6)
XYZ	xyz(63.6983, 78.9229, 19.6611)
Luminance	0.7892 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E1F051 #6051F0

analogous

#F0AF51 #E1F051 #92F051

triadic

#E1F051 #51E1F0 #F051E1

tetradic

#E1F051 #51F0AF #6051F0 #F05192

square

#E1F051 #51F0AF #6051F0 #F05192

split-complementary

#E1F051 #5192F0 #AF51F0

monochromatic

#A7B710 #D7EB19 #E1F051 #EBF589 #F4FAC2

Accessibility & contrast

On white

1.25

#E1F051 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.78

#E1F051 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E1F051

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E1F051	#FFFFFF	#000000	##000000
##E1F051	1.00	1.25	16.78	16.78
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.78	21.00	1.00	1.00
##000000	16.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE43A

Deuteranopia (green-blind)

#FFE75D

Tritanopia (blue-blind)

#EFE2D0

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e1f051;
/* rgb */ color: rgb(225, 240, 81);
/* oklch */ color: oklch(91.6% 0.177 114.6);

Tailwind

colors: {
  custom: {
    50: '#eef48a',
    500: '#e1f051',
    950: '#000000',
  },
}

SCSS

$custom: #e1f051;
$custom-light: #eef48a;
$custom-dark: #000000;

JSON

{
  "hex": "#e1f051",
  "rgb": {
    "r": 225,
    "g": 240,
    "b": 81
  },
  "hsl": {
    "h": 65.66,
    "s": 84.127,
    "l": 62.941
  },
  "oklch": {
    "l": 0.91571,
    "c": 0.17746,
    "h": 114.6
  },
  "luminance": 0.78922
}

Semantic roles & 50–950 ramp

primary

#E1F051

secondary

#3C2FB6

accent

#05E11A

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #E1F051

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

Preview Lab → · Contrast checker → · Palette generator →