#EFD134#EFD134

#EFD134 is a very light, vivid yellow. Relative luminance 0.642; OKLCH L 86.1% C 0.165 H 97.6°. Best body text is #000000 at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#EFD134
RGB	rgb(239, 209, 52)
HSL	hsl(50, 85%, 57%)
HSV	hsv(50, 78%, 94%)
CMYK	cmyk(0%, 12.6%, 78.2%, 6.3%)
CIE-LAB	lab(84.07, -4.77, 75.25)
CIE-LCH	lch(84.07, 75.40, 93.63°)
OKLab	oklab(86.11% -0.0217 0.1632)
OKLCH	oklch(86.11% 0.165 97.6)
XYZ	xyz(59.0200, 64.2027, 12.5318)
Luminance	0.6420 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD134 #3452EF

analogous

#EF7334 #EFD134 #B0EF34

triadic

#EFD134 #34EFD1 #D134EF

tetradic

#EFD134 #34EF73 #3452EF #EF34B0

square

#EFD134 #34EF73 #3452EF #EF34B0

split-complementary

#EFD134 #34B0EF #7334EF

monochromatic

#9C850C #D5B611 #EFD134 #F3DE6D #F8EBA5

Accessibility & contrast

On white

1.52

#EFD134 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.84

#EFD134 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD134

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD134	#FFFFFF	#000000	##000000
##EFD134	1.00	1.52	13.84	13.84
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.84	21.00	1.00	1.00
##000000	13.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CC07

Deuteranopia (green-blind)

#EED63F

Tritanopia (blue-blind)

#FFC1B4

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #efd134;
/* rgb */ color: rgb(239, 209, 52);
/* oklch */ color: oklch(86.1% 0.165 97.6);

Tailwind

colors: {
  custom: {
    50: '#f9de79',
    500: '#efd134',
    950: '#000000',
  },
}

SCSS

$custom: #efd134;
$custom-light: #f9de79;
$custom-dark: #000000;

JSON

{
  "hex": "#efd134",
  "rgb": {
    "r": 239,
    "g": 209,
    "b": 52
  },
  "hsl": {
    "h": 50.374,
    "s": 85.388,
    "l": 57.059
  },
  "oklch": {
    "l": 0.86111,
    "c": 0.16467,
    "h": 97.6
  },
  "luminance": 0.642
}

Semantic roles & 50–950 ramp

primary

#EFD134

secondary

#283B9F

accent

#4DFC2C

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#18150A

muted

#86847D

Preview Lab

Preview with #EFD134

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

Preview Lab → · Contrast checker → · Palette generator →