#CFF55B#CFF55B

#CFF55B is a very light, vivid yellow-green. Relative luminance 0.793; OKLCH L 91.4% C 0.182 H 121.9°. Best body text is #000000 at 16.87:1 contrast (WCAG AA passes).

Color values

HEX#CFF55B
RGBrgb(207, 245, 91)
HSLhsl(75, 89%, 66%)
HSVhsv(75, 63%, 96%)
CMYKcmyk(15.5%, 0%, 62.9%, 3.9%)
CIE-LABlab(91.38, -33.28, 67.72)
CIE-LCHlch(91.38, 75.46, 116.17°)
OKLaboklab(91.43% -0.0963 0.1546)
OKLCHoklch(91.43% 0.182 121.9)
XYZxyz(60.2735, 79.3255, 22.0315)
Luminance0.7933 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CFF55B #815BF5
analogous
#F5CE5B #CFF55B #82F55B
triadic
#CFF55B #5BCFF5 #F55BCF
tetradic
#CFF55B #5BF5CE #815BF5 #F55B82
square
#CFF55B #5BF5CE #815BF5 #F55B82
split-complementary
#CFF55B #5B82F5 #CE5BF5
monochromatic
#9BC90C #BEF121 #CFF55B #E0F995 #F1FCCE

Accessibility & contrast

On white

1.25
#CFF55B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.87
#CFF55B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFF55B
16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CFF55B#FFFFFF#000000##000000
##CFF55B1.001.2516.8716.87
#FFFFFF1.251.0021.0021.00
#00000016.8721.001.001.00
##00000016.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE747
Deuteranopia (green-blind)
#FEE666
Tritanopia (blue-blind)
#D9E9D5
Achromatopsia (no color)
#E6E6E6

Design tokens & code

CSS
--color: #cff55b;
/* rgb */ color: rgb(207, 245, 91);
/* oklch */ color: oklch(91.4% 0.182 121.9);
Tailwind
colors: {
  custom: {
    50: '#e1f890',
    500: '#cff55b',
    950: '#000000',
  },
}
SCSS
$custom: #cff55b;
$custom-light: #e1f890;
$custom-dark: #000000;
JSON
{
  "hex": "#cff55b",
  "rgb": {
    "r": 207,
    "g": 245,
    "b": 91
  },
  "hsl": {
    "h": 74.805,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.91429,
    "c": 0.18216,
    "h": 121.9
  },
  "luminance": 0.79326
}

Semantic roles & 50–950 ramp

primary
#CFF55B
secondary
#542EC6
accent
#00E539
background
#FEFFFC
surface
#FCFFF4
border
#D5D7CE
text
#16170D
muted
#84857F

Preview Lab

Preview with #CFF55B

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

Preview Lab → · Contrast checker → · Palette generator →

#CFF55B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva