#99FB53#99FB53

#99FB53 is a very light, highly saturated yellow-green. Relative luminance 0.764; OKLCH L 89.5% C 0.220 H 134.8°. Best body text is #000000 at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#99FB53
RGB	rgb(153, 251, 83)
HSL	hsl(95, 95%, 65%)
HSV	hsv(95, 67%, 98%)
CMYK	cmyk(39%, 0%, 66.9%, 1.6%)
CIE-LAB	lab(90.04, -55.62, 68.51)
CIE-LCH	lch(90.04, 88.24, 129.07°)
OKLab	oklab(89.54% -0.1551 0.1561)
OKLCH	oklch(89.54% 0.22 134.8)
XYZ	xyz(49.1943, 76.3887, 20.3343)
Luminance	0.7639 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.16

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99FB53 #B553FB

analogous

#EDFB53 #99FB53 #53FB61

triadic

#99FB53 #5399FB #FB5399

tetradic

#99FB53 #53EDFB #B553FB #FB6153

square

#99FB53 #53EDFB #B553FB #FB6153

split-complementary

#99FB53 #6153FB #FB53ED

monochromatic

#59CF05 #76FA17 #99FB53 #BCFC8F #E0FECB

Accessibility & contrast

On white

1.29

#99FB53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.28

#99FB53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99FB53

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99FB53	#FFFFFF	#000000	##000000
##99FB53	1.00	1.29	16.28	16.28
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.28	21.00	1.00	1.00
##000000	16.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE83B

Deuteranopia (green-blind)

#F7E062

Tritanopia (blue-blind)

#97F2D9

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #99fb53;
/* rgb */ color: rgb(153, 251, 83);
/* oklch */ color: oklch(89.5% 0.220 134.8);

Tailwind

colors: {
  custom: {
    50: '#bdfd8b',
    500: '#99fb53',
    950: '#000000',
  },
}

SCSS

$custom: #99fb53;
$custom-light: #bdfd8b;
$custom-dark: #000000;

JSON

{
  "hex": "#99fb53",
  "rgb": {
    "r": 153,
    "g": 251,
    "b": 83
  },
  "hsl": {
    "h": 95,
    "s": 95.455,
    "l": 65.49
  },
  "oklch": {
    "l": 0.89542,
    "c": 0.22009,
    "h": 134.8
  },
  "luminance": 0.76391
}

Semantic roles & 50–950 ramp

primary

#99FB53

secondary

#8728CA

accent

#00E686

background

#FDFFFC

surface

#F9FFF4

border

#D2D7CE

text

#13180D

muted

#82867F

Preview Lab

Preview with #99FB53

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

Preview Lab → · Contrast checker → · Palette generator →