#EFF95B#EFF95B

#EFF95B is a very light, vivid yellow. Relative luminance 0.869; OKLCH L 94.6% C 0.176 H 112.8°. Best body text is #000000 at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#EFF95B
RGB	rgb(239, 249, 91)
HSL	hsl(64, 93%, 67%)
HSV	hsv(64, 63%, 98%)
CMYK	cmyk(4%, 0%, 63.5%, 2.4%)
CIE-LAB	lab(94.68, -22.62, 71.88)
CIE-LCH	lch(94.68, 75.36, 107.47°)
OKLab	oklab(94.63% -0.0683 0.1627)
OKLCH	oklch(94.63% 0.176 112.8)
XYZ	xyz(71.3626, 86.8589, 22.9017)
Luminance	0.8686 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF95B #655BF9

analogous

#F9B45B #EFF95B #A0F95B

triadic

#EFF95B #5BEFF9 #F95BEF

tetradic

#EFF95B #5BF9B4 #655BF9 #F95BA0

square

#EFF95B #5BF9B4 #655BF9 #F95BA0

split-complementary

#EFF95B #5BA0F9 #B45BF9

monochromatic

#C5D208 #E9F720 #EFF95B #F5FB96 #FBFDD1

Accessibility & contrast

On white

1.14

#EFF95B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.37

#EFF95B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF95B

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF95B	#FFFFFF	#000000	##000000
##EFF95B	1.00	1.14	18.37	18.37
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.37	21.00	1.00	1.00
##000000	18.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE46

Deuteranopia (green-blind)

#FFF266

Tritanopia (blue-blind)

#FEEBD9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff95b;
/* rgb */ color: rgb(239, 249, 91);
/* oklch */ color: oklch(94.6% 0.176 112.8);

Tailwind

colors: {
  custom: {
    50: '#f7fb91',
    500: '#eff95b',
    950: '#000000',
  },
}

SCSS

$custom: #eff95b;
$custom-light: #f7fb91;
$custom-dark: #000000;

JSON

{
  "hex": "#eff95b",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 91
  },
  "hsl": {
    "h": 63.797,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.94633,
    "c": 0.17648,
    "h": 112.8
  },
  "luminance": 0.86857
}

Semantic roles & 50–950 ramp

primary

#EFF95B

secondary

#362BCD

accent

#00E60F

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF95B

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

Preview Lab → · Contrast checker → · Palette generator →