#EFF15C#EFF15C

#EFF15C is a very light, vivid yellow. Relative luminance 0.820; OKLCH L 93.0% C 0.167 H 110.0°. Best body text is #000000 at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#EFF15C
RGB	rgb(239, 241, 92)
HSL	hsl(61, 84%, 65%)
HSV	hsv(61, 62%, 95%)
CMYK	cmyk(0.8%, 0%, 61.8%, 5.5%)
CIE-LAB	lab(92.59, -18.72, 69.29)
CIE-LCH	lch(92.59, 71.78, 105.12°)
OKLab	oklab(92.97% -0.0573 0.1574)
OKLCH	oklch(92.97% 0.167 110)
XYZ	xyz(68.9858, 82.0358, 22.3237)
Luminance	0.8203 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF15C #5E5CF1

analogous

#F1A85C #EFF15C #A5F15C

triadic

#EFF15C #5CEFF1 #F15CEF

tetradic

#EFF15C #5CF1A8 #5E5CF1 #F15CA5

square

#EFF15C #5CF1A8 #5E5CF1 #F15CA5

split-complementary

#EFF15C #5CA5F1 #A85CF1

monochromatic

#C0C211 #E9EC24 #EFF15C #F5F694 #FAFBCD

Accessibility & contrast

On white

1.21

#EFF15C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.41

#EFF15C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF15C

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF15C	#FFFFFF	#000000	##000000
##EFF15C	1.00	1.21	17.41	17.41
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.41	21.00	1.00	1.00
##000000	17.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE749

Deuteranopia (green-blind)

#FFEC65

Tritanopia (blue-blind)

#FFE3D2

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff15c;
/* rgb */ color: rgb(239, 241, 92);
/* oklch */ color: oklch(93.0% 0.167 110.0);

Tailwind

colors: {
  custom: {
    50: '#f7f591',
    500: '#eff15c',
    950: '#000000',
  },
}

SCSS

$custom: #eff15c;
$custom-light: #f7f591;
$custom-dark: #000000;

JSON

{
  "hex": "#eff15c",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 92
  },
  "hsl": {
    "h": 60.805,
    "s": 84.181,
    "l": 65.294
  },
  "oklch": {
    "l": 0.92967,
    "c": 0.16749,
    "h": 110
  },
  "luminance": 0.82034
}

Semantic roles & 50–950 ramp

primary

#EFF15C

secondary

#3332C0

accent

#05E108

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF15C

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

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