#99DB57#99DB57

#99DB57 is a very light, vivid yellow-green. Relative luminance 0.581; OKLCH L 82.0% C 0.177 H 131.7°. Best body text is #000000 at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#99DB57
RGB	rgb(153, 219, 87)
HSL	hsl(90, 65%, 60%)
HSV	hsv(90, 60%, 86%)
CMYK	cmyk(30.1%, 0%, 60.3%, 14.1%)
CIE-LAB	lab(80.81, -41.99, 56.91)
CIE-LCH	lch(80.81, 70.72, 126.42°)
OKLab	oklab(82.02% -0.1176 0.1321)
OKLCH	oklch(82.02% 0.177 131.7)
XYZ	xyz(40.1882, 58.1222, 18.1163)
Luminance	0.5812 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99DB57 #9957DB

analogous

#DBDB57 #99DB57 #57DB57

triadic

#99DB57 #5799DB #DB5799

tetradic

#99DB57 #57DBDB #9957DB #DB5757

square

#99DB57 #57DBDB #9957DB #DB5757

split-complementary

#99DB57 #5757DB #DB57DB

monochromatic

#5C9720 #7ACA2B #99DB57 #B8E689 #D6F1BC

Accessibility & contrast

On white

1.66

#99DB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.62

#99DB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99DB57

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99DB57	#FFFFFF	#000000	##000000
##99DB57	1.00	1.66	12.62	12.62
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.62	21.00	1.00	1.00
##000000	12.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CC48

Deuteranopia (green-blind)

#DBC761

Tritanopia (blue-blind)

#9BD3BF

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #99db57;
/* rgb */ color: rgb(153, 219, 87);
/* oklch */ color: oklch(82.0% 0.177 131.7);

Tailwind

colors: {
  custom: {
    50: '#bbe68b',
    500: '#99db57',
    950: '#000000',
  },
}

SCSS

$custom: #99db57;
$custom-light: #bbe68b;
$custom-dark: #000000;

JSON

{
  "hex": "#99db57",
  "rgb": {
    "r": 153,
    "g": 219,
    "b": 87
  },
  "hsl": {
    "h": 90,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.82024,
    "c": 0.17683,
    "h": 131.7
  },
  "luminance": 0.58123
}

Semantic roles & 50–950 ramp

primary

#99DB57

secondary

#6B3B9C

accent

#40E894

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#12160C

muted

#82847F

Preview Lab

Preview with #99DB57

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

Preview Lab → · Contrast checker → · Palette generator →