#99D54B#99D54B

#99D54B is a light, vivid yellow-green. Relative luminance 0.549; OKLCH L 80.5% C 0.178 H 129.8°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#99D54B
RGB	rgb(153, 213, 75)
HSL	hsl(86, 62%, 56%)
HSV	hsv(86, 65%, 84%)
CMYK	cmyk(28.2%, 0%, 64.8%, 16.5%)
CIE-LAB	lab(78.97, -40.34, 59.91)
CIE-LCH	lch(78.97, 72.22, 123.96°)
OKLab	oklab(80.5% -0.114 0.137)
OKLCH	oklch(80.5% 0.178 129.8)
XYZ	xyz(38.2009, 54.8678, 15.2331)
Luminance	0.5487 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D54B #874BD5

analogous

#D5CC4B #99D54B #54D54B

triadic

#99D54B #4B99D5 #D54B99

tetradic

#99D54B #4BD5CC #874BD5 #D54B54

square

#99D54B #4BD5CC #874BD5 #D54B54

split-complementary

#99D54B #4B54D5 #CC4BD5

monochromatic

#5A861F #7BB82B #99D54B #B5E17D #D1ECAE

Accessibility & contrast

On white

1.75

#99D54B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#99D54B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D54B

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D54B	#FFFFFF	#000000	##000000
##99D54B	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC639

Deuteranopia (green-blind)

#D6C256

Tritanopia (blue-blind)

#9DCCB9

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #99d54b;
/* rgb */ color: rgb(153, 213, 75);
/* oklch */ color: oklch(80.5% 0.178 129.8);

Tailwind

colors: {
  custom: {
    50: '#bbe284',
    500: '#99d54b',
    950: '#000000',
  },
}

SCSS

$custom: #99d54b;
$custom-light: #bbe284;
$custom-dark: #000000;

JSON

{
  "hex": "#99d54b",
  "rgb": {
    "r": 153,
    "g": 213,
    "b": 75
  },
  "hsl": {
    "h": 86.087,
    "s": 62.162,
    "l": 56.471
  },
  "oklch": {
    "l": 0.80496,
    "c": 0.17827,
    "h": 129.8
  },
  "luminance": 0.54869
}

Semantic roles & 50–950 ramp

primary

#99D54B

secondary

#5D378D

accent

#43E589

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150B

muted

#82847E

Preview Lab

Preview with #99D54B

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

Preview Lab → · Contrast checker → · Palette generator →