#EFF16B#EFF16B

#EFF16B is a very light, vivid yellow. Relative luminance 0.823; OKLCH L 93.1% C 0.156 H 109.9°. Best body text is #000000 at 17.46:1 contrast (WCAG AA passes).

Color values

HEX	#EFF16B
RGB	rgb(239, 241, 107)
HSL	hsl(61, 83%, 68%)
HSV	hsv(61, 56%, 95%)
CMYK	cmyk(0.8%, 0%, 55.6%, 5.5%)
CIE-LAB	lab(92.72, -17.71, 63.17)
CIE-LCH	lch(92.72, 65.60, 105.66°)
OKLab	oklab(93.11% -0.0528 0.1463)
OKLCH	oklch(93.11% 0.156 109.9)
XYZ	xyz(69.7076, 82.3246, 26.1253)
Luminance	0.8232 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF16B #6D6BF1

analogous

#F1B06B #EFF16B #ACF16B

triadic

#EFF16B #6BEFF1 #F16BEF

tetradic

#EFF16B #6BF1B0 #6D6BF1 #F16BAC

square

#EFF16B #6BF1B0 #6D6BF1 #F16BAC

split-complementary

#EFF16B #6BACF1 #B06BF1

monochromatic

#CBCE13 #E9EC33 #EFF16B #F5F6A3 #FBFCDB

Accessibility & contrast

On white

1.20

#EFF16B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.46

#EFF16B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF16B

17.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF16B	#FFFFFF	#000000	##000000
##EFF16B	1.00	1.20	17.46	17.46
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.46	21.00	1.00	1.00
##000000	17.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE85D

Deuteranopia (green-blind)

#FFEC73

Tritanopia (blue-blind)

#FEE4D4

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff16b;
/* rgb */ color: rgb(239, 241, 107);
/* oklch */ color: oklch(93.1% 0.156 109.9);

Tailwind

colors: {
  custom: {
    50: '#f7f59a',
    500: '#eff16b',
    950: '#000000',
  },
}

SCSS

$custom: #eff16b;
$custom-light: #f7f59a;
$custom-dark: #000000;

JSON

{
  "hex": "#eff16b",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 107
  },
  "hsl": {
    "h": 60.896,
    "s": 82.716,
    "l": 68.235
  },
  "oklch": {
    "l": 0.93109,
    "c": 0.15554,
    "h": 109.9
  },
  "luminance": 0.82323
}

Semantic roles & 50–950 ramp

primary

#EFF16B

secondary

#3937CA

accent

#06DF0A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF16B

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

Preview Lab → · Contrast checker → · Palette generator →