#CFEF5B#CFEF5B

#CFEF5B is a very light, vivid yellow-green. Relative luminance 0.758; OKLCH L 90.1% C 0.175 H 120.4°. Best body text is #000000 at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#CFEF5B
RGB	rgb(207, 239, 91)
HSL	hsl(73, 82%, 65%)
HSV	hsv(73, 62%, 94%)
CMYK	cmyk(13.4%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(89.75, -30.51, 65.97)
CIE-LCH	lch(89.75, 72.69, 114.82°)
OKLab	oklab(90.11% -0.0886 0.1509)
OKLCH	oklch(90.11% 0.175 120.4)
XYZ	xyz(58.4878, 75.7539, 21.4362)
Luminance	0.7575 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFEF5B #7B5BEF

analogous

#EFC55B #CFEF5B #85EF5B

triadic

#CFEF5B #5BCFEF #EF5BCF

tetradic

#CFEF5B #5BEFC5 #7B5BEF #EF5B85

square

#CFEF5B #5BEFC5 #7B5BEF #EF5B85

split-complementary

#CFEF5B #5B85EF #C55BEF

monochromatic

#98BD12 #BFEA23 #CFEF5B #DFF493 #F0FACB

Accessibility & contrast

On white

1.30

#CFEF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.15

#CFEF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFEF5B

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFEF5B	#FFFFFF	#000000	##000000
##CFEF5B	1.00	1.30	16.15	16.15
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.15	21.00	1.00	1.00
##000000	16.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE249

Deuteranopia (green-blind)

#F9E265

Tritanopia (blue-blind)

#DAE3D0

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cfef5b;
/* rgb */ color: rgb(207, 239, 91);
/* oklch */ color: oklch(90.1% 0.175 120.4);

Tailwind

colors: {
  custom: {
    50: '#e1f48f',
    500: '#cfef5b',
    950: '#000000',
  },
}

SCSS

$custom: #cfef5b;
$custom-light: #e1f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#cfef5b",
  "rgb": {
    "r": 207,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 72.973,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.90111,
    "c": 0.17501,
    "h": 120.4
  },
  "luminance": 0.75754
}

Semantic roles & 50–950 ramp

primary

#CFEF5B

secondary

#5033BC

accent

#07DF36

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CFEF5B

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

Preview Lab → · Contrast checker → · Palette generator →