#EFCB5F#EFCB5F

#EFCB5F is a very light, vivid yellow. Relative luminance 0.619; OKLCH L 85.2% C 0.133 H 90.9°. Best body text is #000000 at 13.38:1 contrast (WCAG AA passes).

Color values

HEX#EFCB5F
RGBrgb(239, 203, 95)
HSLhsl(45, 82%, 65%)
HSVhsv(45, 60%, 94%)
CMYKcmyk(0%, 15.1%, 60.3%, 6.3%)
CIE-LABlab(82.86, 0.47, 57.40)
CIE-LCHlch(82.86, 57.40, 89.53°)
OKLaboklab(85.25% -0.0021 0.1325)
OKLCHoklch(85.25% 0.133 90.9)
XYZxyz(59.0208, 61.8920, 19.6618)
Luminance0.6189 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFCB5F #5F83EF
analogous
#EF835F #EFCB5F #CBEF5F
triadic
#EFCB5F #5FEFCB #CB5FEF
tetradic
#EFCB5F #5FEF83 #5F83EF #EF5FCB
square
#EFCB5F #5FEF83 #5F83EF #EF5FCB
split-complementary
#EFCB5F #5FCBEF #835FEF
monochromatic
#C09513 #E9B927 #EFCB5F #F5DD97 #FAEFCE

Accessibility & contrast

On white

1.57
#EFCB5F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.38
#EFCB5F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCB5F
13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFCB5F#FFFFFF#000000##000000
##EFCB5F1.001.5713.3813.38
#FFFFFF1.571.0021.0021.00
#00000013.3821.001.001.00
##00000013.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#DFC854
Deuteranopia (green-blind)
#E8D364
Tritanopia (blue-blind)
#FFBCB3
Achromatopsia (no color)
#CECECE

Design tokens & code

CSS
--color: #efcb5f;
/* rgb */ color: rgb(239, 203, 95);
/* oklch */ color: oklch(85.2% 0.133 90.9);
Tailwind
colors: {
  custom: {
    50: '#f7da90',
    500: '#efcb5f',
    950: '#000000',
  },
}
SCSS
$custom: #efcb5f;
$custom-light: #f7da90;
$custom-dark: #000000;
JSON
{
  "hex": "#efcb5f",
  "rgb": {
    "r": 239,
    "g": 203,
    "b": 95
  },
  "hsl": {
    "h": 45,
    "s": 81.818,
    "l": 65.49
  },
  "oklch": {
    "l": 0.85247,
    "c": 0.13253,
    "h": 90.9
  },
  "luminance": 0.61889
}

Semantic roles & 50–950 ramp

primary
#EFCB5F
secondary
#3456BE
accent
#3DDE07
background
#FFFEFC
surface
#FFFBF4
border
#D7D4CE
text
#18140D
muted
#86837F

Preview Lab

Preview with #EFCB5F

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

Preview Lab → · Contrast checker → · Palette generator →

#EFCB5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva