#EFF15F#EFF15F

#EFF15F is a very light, vivid yellow. Relative luminance 0.821; OKLCH L 93.0% C 0.165 H 110.0°. Best body text is #000000 at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#EFF15F
RGB	rgb(239, 241, 95)
HSL	hsl(61, 84%, 66%)
HSV	hsv(61, 61%, 95%)
CMYK	cmyk(0.8%, 0%, 60.6%, 5.5%)
CIE-LAB	lab(92.61, -18.53, 68.11)
CIE-LCH	lch(92.61, 70.58, 105.22°)
OKLab	oklab(92.99% -0.0564 0.1553)
OKLCH	oklch(92.99% 0.165 110)
XYZ	xyz(69.1195, 82.0893, 23.0281)
Luminance	0.8209 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF15F #615FF1

analogous

#F1AA5F #EFF15F #A6F15F

triadic

#EFF15F #5FEFF1 #F15FEF

tetradic

#EFF15F #5FF1AA #615FF1 #F15FA6

square

#EFF15F #5FF1AA #615FF1 #F15FA6

split-complementary

#EFF15F #5FA6F1 #AA5FF1

monochromatic

#C2C411 #E9EC27 #EFF15F #F5F697 #FAFBD0

Accessibility & contrast

On white

1.21

#EFF15F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.42

#EFF15F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF15F

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF15F	#FFFFFF	#000000	##000000
##EFF15F	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)

#FFE74D

Deuteranopia (green-blind)

#FFEC68

Tritanopia (blue-blind)

#FFE3D2

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff15f;
/* rgb */ color: rgb(239, 241, 95);
/* oklch */ color: oklch(93.0% 0.165 110.0);

Tailwind

colors: {
  custom: {
    50: '#f7f592',
    500: '#eff15f',
    950: '#000000',
  },
}

SCSS

$custom: #eff15f;
$custom-light: #f7f592;
$custom-dark: #000000;

JSON

{
  "hex": "#eff15f",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 95
  },
  "hsl": {
    "h": 60.822,
    "s": 83.908,
    "l": 65.882
  },
  "oklch": {
    "l": 0.92993,
    "c": 0.16523,
    "h": 110
  },
  "luminance": 0.82088
}

Semantic roles & 50–950 ramp

primary

#EFF15F

secondary

#3432C2

accent

#05E008

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF15F

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

Preview Lab → · Contrast checker → · Palette generator →