#EFEB61#EFEB61

#EFEB61 is a very light, vivid yellow. Relative luminance 0.786; OKLCH L 91.8% C 0.158 H 107.6°. Best body text is #000000 at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#EFEB61
RGB	rgb(239, 235, 97)
HSL	hsl(58, 82%, 66%)
HSV	hsv(58, 59%, 94%)
CMYK	cmyk(0%, 1.7%, 59.4%, 6.3%)
CIE-LAB	lab(91.07, -15.48, 65.61)
CIE-LCH	lch(91.07, 67.41, 103.28°)
OKLab	oklab(91.77% -0.0476 0.1503)
OKLCH	oklch(91.77% 0.158 107.6)
XYZ	xyz(67.4647, 78.6325, 22.9307)
Luminance	0.7863 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEB61 #6165EF

analogous

#EFA461 #EFEB61 #ACEF61

triadic

#EFEB61 #61EFEB #EB61EF

tetradic

#EFEB61 #61EFA4 #6165EF #EF61AC

square

#EFEB61 #61EFA4 #6165EF #EF61AC

split-complementary

#EFEB61 #61ACEF #A461EF

monochromatic

#C2BD14 #E9E429 #EFEB61 #F5F299 #FAF9D0

Accessibility & contrast

On white

1.26

#EFEB61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.73

#EFEB61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEB61

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEB61	#FFFFFF	#000000	##000000
##EFEB61	1.00	1.26	16.73	16.73
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.73	21.00	1.00	1.00
##000000	16.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE251

Deuteranopia (green-blind)

#FFE869

Tritanopia (blue-blind)

#FFDDCE

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #efeb61;
/* rgb */ color: rgb(239, 235, 97);
/* oklch */ color: oklch(91.8% 0.158 107.6);

Tailwind

colors: {
  custom: {
    50: '#f7f193',
    500: '#efeb61',
    950: '#000000',
  },
}

SCSS

$custom: #efeb61;
$custom-light: #f7f193;
$custom-dark: #000000;

JSON

{
  "hex": "#efeb61",
  "rgb": {
    "r": 239,
    "g": 235,
    "b": 97
  },
  "hsl": {
    "h": 58.31,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.91765,
    "c": 0.15763,
    "h": 107.6
  },
  "luminance": 0.7863
}

Semantic roles & 50–950 ramp

primary

#EFEB61

secondary

#3438C0

accent

#0EDE08

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #EFEB61

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

Preview Lab → · Contrast checker → · Palette generator →