#EFF15A#EFF15A

#EFF15A is a very light, vivid yellow. Relative luminance 0.820; OKLCH L 93.0% C 0.169 H 110.0°. Best body text is #000000 at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#EFF15A
RGB	rgb(239, 241, 90)
HSL	hsl(61, 84%, 65%)
HSV	hsv(61, 63%, 95%)
CMYK	cmyk(0.8%, 0%, 62.7%, 5.5%)
CIE-LAB	lab(92.58, -18.84, 70.07)
CIE-LCH	lch(92.58, 72.56, 105.05°)
OKLab	oklab(92.95% -0.0578 0.1588)
OKLCH	oklch(92.95% 0.169 110)
XYZ	xyz(68.8995, 82.0013, 21.8693)
Luminance	0.8200 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF15A #5C5AF1

analogous

#F1A85A #EFF15A #A3F15A

triadic

#EFF15A #5AEFF1 #F15AEF

tetradic

#EFF15A #5AF1A8 #5C5AF1 #F15AA3

square

#EFF15A #5AF1A8 #5C5AF1 #F15AA3

split-complementary

#EFF15A #5AA3F1 #A85AF1

monochromatic

#BEC010 #EAEC22 #EFF15A #F4F692 #FAFBCB

Accessibility & contrast

On white

1.21

#EFF15A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.40

#EFF15A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF15A

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF15A	#FFFFFF	#000000	##000000
##EFF15A	1.00	1.21	17.40	17.40
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.40	21.00	1.00	1.00
##000000	17.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE746

Deuteranopia (green-blind)

#FFEC64

Tritanopia (blue-blind)

#FFE3D2

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff15a;
/* rgb */ color: rgb(239, 241, 90);
/* oklch */ color: oklch(93.0% 0.169 110.0);

Tailwind

colors: {
  custom: {
    50: '#f7f58f',
    500: '#eff15a',
    950: '#000000',
  },
}

SCSS

$custom: #eff15a;
$custom-light: #f7f58f;
$custom-dark: #000000;

JSON

{
  "hex": "#eff15a",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 90
  },
  "hsl": {
    "h": 60.795,
    "s": 84.358,
    "l": 64.902
  },
  "oklch": {
    "l": 0.9295,
    "c": 0.16895,
    "h": 110
  },
  "luminance": 0.82
}

Semantic roles & 50–950 ramp

primary

#EFF15A

secondary

#3331BE

accent

#05E108

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF15A

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

Preview Lab → · Contrast checker → · Palette generator →