#CBF05B#CBF05B

#CBF05B is a very light, vivid yellow-green. Relative luminance 0.758; OKLCH L 90.1% C 0.178 H 121.9°. Best body text is #000000 at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#CBF05B
RGB	rgb(203, 240, 91)
HSL	hsl(75, 83%, 65%)
HSV	hsv(75, 62%, 94%)
CMYK	cmyk(15.4%, 0%, 62.1%, 5.9%)
CIE-LAB	lab(89.75, -32.52, 65.90)
CIE-LCH	lch(89.75, 73.49, 116.27°)
OKLab	oklab(90.05% -0.094 0.1509)
OKLCH	oklch(90.05% 0.178 121.9)
XYZ	xyz(57.6776, 75.7719, 21.4824)
Luminance	0.7577 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CBF05B #805BF0

analogous

#F0CA5B #CBF05B #81F05B

triadic

#CBF05B #5BCBF0 #F05BCB

tetradic

#CBF05B #5BF0CA #805BF0 #F05B81

square

#CBF05B #5BF0CA #805BF0 #F05B81

split-complementary

#CBF05B #5B81F0 #CA5BF0

monochromatic

#94BF11 #B9EB23 #CBF05B #DDF593 #EFFACB

Accessibility & contrast

On white

1.30

#CBF05B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.15

#CBF05B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CBF05B

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CBF05B	#FFFFFF	#000000	##000000
##CBF05B	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)

#FEE249

Deuteranopia (green-blind)

#F9E266

Tritanopia (blue-blind)

#D5E5D1

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cbf05b;
/* rgb */ color: rgb(203, 240, 91);
/* oklch */ color: oklch(90.1% 0.178 121.9);

Tailwind

colors: {
  custom: {
    50: '#def590',
    500: '#cbf05b',
    950: '#000000',
  },
}

SCSS

$custom: #cbf05b;
$custom-light: #def590;
$custom-dark: #000000;

JSON

{
  "hex": "#cbf05b",
  "rgb": {
    "r": 203,
    "g": 240,
    "b": 91
  },
  "hsl": {
    "h": 74.899,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.90051,
    "c": 0.17772,
    "h": 121.9
  },
  "luminance": 0.75772
}

Semantic roles & 50–950 ramp

primary

#CBF05B

secondary

#5532BD

accent

#06E03C

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #CBF05B

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

Preview Lab → · Contrast checker → · Palette generator →