#EFFB7E#EFFB7E

#EFFB7E is a very light, vivid yellow. Relative luminance 0.889; OKLCH L 95.4% C 0.150 H 113.8°. Best body text is #000000 at 18.77:1 contrast (WCAG AA passes).

Color values

HEX#EFFB7E
RGBrgb(239, 251, 126)
HSLhsl(66, 94%, 74%)
HSVhsv(66, 50%, 98%)
CMYKcmyk(4.8%, 0%, 49.8%, 1.6%)
CIE-LABlab(95.52, -21.00, 57.94)
CIE-LCHlch(95.52, 61.63, 109.92°)
OKLaboklab(95.41% -0.0603 0.1369)
OKLCHoklch(95.41% 0.15 113.8)
XYZxyz(73.8609, 88.8526, 32.9940)
Luminance0.8885 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFFB7E #8A7EFB
analogous
#FBC97E #EFFB7E #B1FB7E
triadic
#EFFB7E #7EEFFB #FB7EEF
tetradic
#EFFB7E #7EFBC9 #8A7EFB #FB7EB1
square
#EFFB7E #7EFBC9 #8A7EFB #FB7EB1
split-complementary
#EFFB7E #7EB1FB #C97EFB
monochromatic
#E0F708 #E8F943 #EFFB7E #F6FDB9 #FBFEE1

Accessibility & contrast

On white

1.12
#EFFB7E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.77
#EFFB7E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB7E
18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFFB7E#FFFFFF#000000##000000
##EFFB7E1.001.1218.7718.77
#FFFFFF1.121.0021.0021.00
#00000018.7721.001.001.00
##00000018.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF172
Deuteranopia (green-blind)
#FFF385
Tritanopia (blue-blind)
#FCEFDF
Achromatopsia (no color)
#F2F2F2

Design tokens & code

CSS
--color: #effb7e;
/* rgb */ color: rgb(239, 251, 126);
/* oklch */ color: oklch(95.4% 0.150 113.8);
Tailwind
colors: {
  custom: {
    50: '#f6fca6',
    500: '#effb7e',
    950: '#000000',
  },
}
SCSS
$custom: #effb7e;
$custom-light: #f6fca6;
$custom-dark: #000000;
JSON
{
  "hex": "#effb7e",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 126
  },
  "hsl": {
    "h": 65.76,
    "s": 93.985,
    "l": 73.922
  },
  "oklch": {
    "l": 0.95407,
    "c": 0.1496,
    "h": 113.8
  },
  "luminance": 0.88851
}

Semantic roles & 50–950 ramp

primary
#EFFB7E
secondary
#5345D9
accent
#00E616
background
#FFFFFC
surface
#FFFFF6
border
#D7D7D0
text
#171710
muted
#858580

Preview Lab

Preview with #EFFB7E

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

Preview Lab → · Contrast checker → · Palette generator →

#EFFB7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva