#E5F378#E5F378

#E5F378 is a very light, vivid yellow. Relative luminance 0.821; OKLCH L 92.9% C 0.148 H 114.7°. Best body text is #000000 at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#E5F378
RGB	rgb(229, 243, 120)
HSL	hsl(67, 84%, 71%)
HSV	hsv(67, 51%, 95%)
CMYK	cmyk(5.8%, 0%, 50.6%, 4.7%)
CIE-LAB	lab(92.63, -21.56, 57.08)
CIE-LCH	lch(92.63, 61.01, 110.70°)
OKLab	oklab(92.89% -0.0619 0.1346)
OKLCH	oklch(92.89% 0.148 114.7)
XYZ	xyz(67.7550, 82.1162, 30.0464)
Luminance	0.8212 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5F378 #8678F3

analogous

#F3C378 #E5F378 #A7F378

triadic

#E5F378 #78E5F3 #F378E5

tetradic

#E5F378 #78F3C3 #8678F3 #F378A7

square

#E5F378 #78F3C3 #8678F3 #F378A7

split-complementary

#E5F378 #78A7F3 #C378F3

monochromatic

#C6DD14 #DAEE40 #E5F378 #F0F8B0 #FAFDE3

Accessibility & contrast

On white

1.21

#E5F378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.42

#E5F378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5F378

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5F378	#FFFFFF	#000000	##000000
##E5F378	1.00	1.21	17.42	17.42
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.42	21.00	1.00	1.00
##000000	17.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE96C

Deuteranopia (green-blind)

#FFEB7F

Tritanopia (blue-blind)

#F1E7D7

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #e5f378;
/* rgb */ color: rgb(229, 243, 120);
/* oklch */ color: oklch(92.9% 0.148 114.7);

Tailwind

colors: {
  custom: {
    50: '#eff7a2',
    500: '#e5f378',
    950: '#000000',
  },
}

SCSS

$custom: #e5f378;
$custom-light: #eff7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#e5f378",
  "rgb": {
    "r": 229,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 66.829,
    "s": 83.673,
    "l": 71.176
  },
  "oklch": {
    "l": 0.92894,
    "c": 0.1482,
    "h": 114.7
  },
  "luminance": 0.82115
}

Semantic roles & 50–950 ramp

primary

#E5F378

secondary

#5242CE

accent

#05E01E

background

#FFFFFC

surface

#FEFEF6

border

#D6D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #E5F378

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

Preview Lab → · Contrast checker → · Palette generator →