#E3F251#E3F251

#E3F251 is a very light, vivid yellow. Relative luminance 0.804; OKLCH L 92.2% C 0.179 H 114.5°. Best body text is #000000 at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#E3F251
RGB	rgb(227, 242, 81)
HSL	hsl(66, 86%, 63%)
HSV	hsv(66, 67%, 95%)
CMYK	cmyk(6.2%, 0%, 66.5%, 5.1%)
CIE-LAB	lab(91.88, -24.66, 72.52)
CIE-LCH	lch(91.88, 76.60, 108.78°)
OKLab	oklab(92.15% -0.0743 0.1629)
OKLCH	oklch(92.15% 0.179 114.5)
XYZ	xyz(64.9176, 80.4304, 19.8878)
Luminance	0.8043 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3F251 #6051F2

analogous

#F2B051 #E3F251 #92F251

triadic

#E3F251 #51E3F2 #F251E3

tetradic

#E3F251 #51F2B0 #6051F2 #F25192

square

#E3F251 #51F2B0 #6051F2 #F25192

split-complementary

#E3F251 #5192F2 #B051F2

monochromatic

#ABBB0E #DAEE18 #E3F251 #ECF68A #F5FBC3

Accessibility & contrast

On white

1.23

#E3F251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.09

#E3F251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3F251

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3F251	#FFFFFF	#000000	##000000
##E3F251	1.00	1.23	17.09	17.09
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.09	21.00	1.00	1.00
##000000	17.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE639

Deuteranopia (green-blind)

#FFE95D

Tritanopia (blue-blind)

#F1E4D2

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #e3f251;
/* rgb */ color: rgb(227, 242, 81);
/* oklch */ color: oklch(92.2% 0.179 114.5);

Tailwind

colors: {
  custom: {
    50: '#eff68a',
    500: '#e3f251',
    950: '#000000',
  },
}

SCSS

$custom: #e3f251;
$custom-light: #eff68a;
$custom-dark: #000000;

JSON

{
  "hex": "#e3f251",
  "rgb": {
    "r": 227,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 65.59,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.9215,
    "c": 0.17905,
    "h": 114.5
  },
  "luminance": 0.80429
}

Semantic roles & 50–950 ramp

primary

#E3F251

secondary

#3B2EB9

accent

#03E318

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #E3F251

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

Preview Lab → · Contrast checker → · Palette generator →