#EFF375#EFF375

#EFF375 is a very light, vivid yellow. Relative luminance 0.837; OKLCH L 93.6% C 0.149 H 110.6°. Best body text is #000000 at 17.75:1 contrast (WCAG AA passes).

Color values

HEX	#EFF375
RGB	rgb(239, 243, 117)
HSL	hsl(62, 84%, 71%)
HSV	hsv(62, 52%, 95%)
CMYK	cmyk(1.6%, 0%, 51.9%, 4.7%)
CIE-LAB	lab(93.34, -17.90, 59.45)
CIE-LCH	lch(93.34, 62.09, 106.76°)
OKLab	oklab(93.63% -0.0524 0.1394)
OKLCH	oklch(93.63% 0.149 110.6)
XYZ	xyz(70.8597, 83.7378, 29.2564)
Luminance	0.8374 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF375 #7975F3

analogous

#F3B875 #EFF375 #B0F375

triadic

#EFF375 #75EFF3 #F375EF

tetradic

#EFF375 #75F3B8 #7975F3 #F375B0

square

#EFF375 #75F3B8 #7975F3 #F375B0

split-complementary

#EFF375 #75B0F3 #B875F3

monochromatic

#D4DB13 #E8EE3D #EFF375 #F6F8AD #FCFDE3

Accessibility & contrast

On white

1.18

#EFF375 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.75

#EFF375 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF375

17.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF375	#FFFFFF	#000000	##000000
##EFF375	1.00	1.18	17.75	17.75
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.75	21.00	1.00	1.00
##000000	17.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA69

Deuteranopia (green-blind)

#FFEE7C

Tritanopia (blue-blind)

#FDE6D7

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff375;
/* rgb */ color: rgb(239, 243, 117);
/* oklch */ color: oklch(93.6% 0.149 110.6);

Tailwind

colors: {
  custom: {
    50: '#f6f6a0',
    500: '#eff375',
    950: '#000000',
  },
}

SCSS

$custom: #eff375;
$custom-light: #f6f6a0;
$custom-dark: #000000;

JSON

{
  "hex": "#eff375",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 117
  },
  "hsl": {
    "h": 61.905,
    "s": 84,
    "l": 70.588
  },
  "oklch": {
    "l": 0.93634,
    "c": 0.14889,
    "h": 110.6
  },
  "luminance": 0.83736
}

Semantic roles & 50–950 ramp

primary

#EFF375

secondary

#443FCD

accent

#05E00C

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF375

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

Preview Lab → · Contrast checker → · Palette generator →