#EFF373#EFF373

#EFF373 is a very light, vivid yellow. Relative luminance 0.837; OKLCH L 93.6% C 0.151 H 110.6°. Best body text is #000000 at 17.74:1 contrast (WCAG AA passes).

Color values

HEX	#EFF373
RGB	rgb(239, 243, 115)
HSL	hsl(62, 84%, 70%)
HSV	hsv(62, 53%, 95%)
CMYK	cmyk(1.6%, 0%, 52.7%, 4.7%)
CIE-LAB	lab(93.32, -18.06, 60.33)
CIE-LCH	lch(93.32, 62.97, 106.67°)
OKLab	oklab(93.61% -0.053 0.1411)
OKLCH	oklch(93.61% 0.151 110.6)
XYZ	xyz(70.7434, 83.6913, 28.6438)
Luminance	0.8369 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF373 #7773F3

analogous

#F3B773 #EFF373 #AFF373

triadic

#EFF373 #73EFF3 #F373EF

tetradic

#EFF373 #73F3B7 #7773F3 #F373AF

square

#EFF373 #73F3B7 #7773F3 #F373AF

split-complementary

#EFF373 #73AFF3 #B773F3

monochromatic

#D3D913 #E9EE3B #EFF373 #F5F8AB #FCFDE3

Accessibility & contrast

On white

1.18

#EFF373 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.74

#EFF373 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF373

17.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF373	#FFFFFF	#000000	##000000
##EFF373	1.00	1.18	17.74	17.74
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.74	21.00	1.00	1.00
##000000	17.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA66

Deuteranopia (green-blind)

#FFEE7A

Tritanopia (blue-blind)

#FDE6D6

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff373;
/* rgb */ color: rgb(239, 243, 115);
/* oklch */ color: oklch(93.6% 0.151 110.6);

Tailwind

colors: {
  custom: {
    50: '#f7f69f',
    500: '#eff373',
    950: '#000000',
  },
}

SCSS

$custom: #eff373;
$custom-light: #f7f69f;
$custom-dark: #000000;

JSON

{
  "hex": "#eff373",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 115
  },
  "hsl": {
    "h": 61.875,
    "s": 84.211,
    "l": 70.196
  },
  "oklch": {
    "l": 0.93612,
    "c": 0.1507,
    "h": 110.6
  },
  "luminance": 0.8369
}

Semantic roles & 50–950 ramp

primary

#EFF373

secondary

#423DCD

accent

#05E10C

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF373

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

Preview Lab → · Contrast checker → · Palette generator →