#99C53B#99C53B

#99C53B is a light, vivid yellow-green. Relative luminance 0.470; OKLCH L 76.6% C 0.169 H 125.6°. Best body text is #000000 at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#99C53B
RGB	rgb(153, 197, 59)
HSL	hsl(79, 54%, 50%)
HSV	hsv(79, 70%, 77%)
CMYK	cmyk(22.3%, 0%, 70.1%, 22.7%)
CIE-LAB	lab(74.20, -34.24, 61.18)
CIE-LCH	lch(74.20, 70.11, 119.23°)
OKLab	oklab(76.6% -0.0986 0.1375)
OKLCH	oklch(76.6% 0.169 125.6)
XYZ	xyz(33.8927, 47.0201, 11.4270)
Luminance	0.4702 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C53B #673BC5

analogous

#C5AC3B #99C53B #54C53B

triadic

#99C53B #3B99C5 #C53B99

tetradic

#99C53B #3BC5AC #673BC5 #C53B54

square

#99C53B #3BC5AC #673BC5 #C53B54

split-complementary

#99C53B #3B54C5 #AC3BC5

monochromatic

#50671F #75962C #99C53B #B2D36A #CAE199

Accessibility & contrast

On white

2.02

#99C53B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.40

#99C53B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C53B

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C53B	#FFFFFF	#000000	##000000
##99C53B	1.00	2.02	10.40	10.40
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.40	21.00	1.00	1.00
##000000	10.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB824

Deuteranopia (green-blind)

#CAB647

Tritanopia (blue-blind)

#A0BCAA

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #99c53b;
/* rgb */ color: rgb(153, 197, 59);
/* oklch */ color: oklch(76.6% 0.169 125.6);

Tailwind

colors: {
  custom: {
    50: '#bbd679',
    500: '#99c53b',
    950: '#000000',
  },
}

SCSS

$custom: #99c53b;
$custom-light: #bbd679;
$custom-dark: #000000;

JSON

{
  "hex": "#99c53b",
  "rgb": {
    "r": 153,
    "g": 197,
    "b": 59
  },
  "hsl": {
    "h": 79.13,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.76596,
    "c": 0.16923,
    "h": 125.6
  },
  "luminance": 0.47021
}

Semantic roles & 50–950 ramp

primary

#99C53B

secondary

#A38FCD

accent

#4ADE79

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#12140A

muted

#81837C

Preview Lab

Preview with #99C53B

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

Preview Lab → · Contrast checker → · Palette generator →