#99DB5B#99DB5B

#99DB5B is a very light, vivid yellow-green. Relative luminance 0.582; OKLCH L 82.1% C 0.174 H 132.1°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#99DB5B
RGB	rgb(153, 219, 91)
HSL	hsl(91, 64%, 61%)
HSV	hsv(91, 58%, 86%)
CMYK	cmyk(30.1%, 0%, 58.4%, 14.1%)
CIE-LAB	lab(80.84, -41.63, 55.21)
CIE-LCH	lch(80.84, 69.14, 127.02°)
OKLab	oklab(82.07% -0.1163 0.1289)
OKLCH	oklch(82.07% 0.174 132.1)
XYZ	xyz(40.3562, 58.1893, 19.0009)
Luminance	0.5819 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99DB5B #9D5BDB

analogous

#D9DB5B #99DB5B #5BDB5D

triadic

#99DB5B #5B99DB #DB5B99

tetradic

#99DB5B #5BD9DB #9D5BDB #DB5D5B

square

#99DB5B #5BD9DB #9D5BDB #DB5D5B

split-complementary

#99DB5B #5D5BDB #DB5BD9

monochromatic

#5C9A22 #7ACC2D #99DB5B #B8E68D #D7F1BF

Accessibility & contrast

On white

1.66

#99DB5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#99DB5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99DB5B

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99DB5B	#FFFFFF	#000000	##000000
##99DB5B	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CC4D

Deuteranopia (green-blind)

#DAC764

Tritanopia (blue-blind)

#9BD3BF

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #99db5b;
/* rgb */ color: rgb(153, 219, 91);
/* oklch */ color: oklch(82.1% 0.174 132.1);

Tailwind

colors: {
  custom: {
    50: '#bbe68e',
    500: '#99db5b',
    950: '#000000',
  },
}

SCSS

$custom: #99db5b;
$custom-light: #bbe68e;
$custom-dark: #000000;

JSON

{
  "hex": "#99db5b",
  "rgb": {
    "r": 153,
    "g": 219,
    "b": 91
  },
  "hsl": {
    "h": 90.938,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82067,
    "c": 0.17357,
    "h": 132.1
  },
  "luminance": 0.58191
}

Semantic roles & 50–950 ramp

primary

#99DB5B

secondary

#6F3C9E

accent

#1ACC76

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#12160D

muted

#82847F

Preview Lab

Preview with #99DB5B

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

Preview Lab → · Contrast checker → · Palette generator →