#99E550#99E550

#99E550 is a very light, vivid yellow-green. Relative luminance 0.634; OKLCH L 84.3% C 0.195 H 132.4°. Best body text is #000000 at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#99E550
RGB	rgb(153, 229, 80)
HSL	hsl(91, 74%, 61%)
HSV	hsv(91, 65%, 90%)
CMYK	cmyk(33.2%, 0%, 65.1%, 10.2%)
CIE-LAB	lab(83.65, -46.86, 62.90)
CIE-LCH	lch(83.65, 78.44, 126.68°)
OKLab	oklab(84.32% -0.1315 0.144)
OKLCH	oklch(84.32% 0.195 132.4)
XYZ	xyz(42.6036, 63.3885, 17.5783)
Luminance	0.6339 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E550 #9C50E5

analogous

#E3E550 #99E550 #50E551

triadic

#99E550 #5099E5 #E55099

tetradic

#99E550 #50E3E5 #9C50E5 #E55150

square

#99E550 #50E3E5 #9C50E5 #E55150

split-complementary

#99E550 #5150E5 #E550E3

monochromatic

#5CA218 #7AD820 #99E550 #B8ED85 #D7F5BB

Accessibility & contrast

On white

1.54

#99E550 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.68

#99E550 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E550

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E550	#FFFFFF	#000000	##000000
##99E550	1.00	1.54	13.68	13.68
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.68	21.00	1.00	1.00
##000000	13.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED43C

Deuteranopia (green-blind)

#E4CE5C

Tritanopia (blue-blind)

#9BDCC6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #99e550;
/* rgb */ color: rgb(153, 229, 80);
/* oklch */ color: oklch(84.3% 0.195 132.4);

Tailwind

colors: {
  custom: {
    50: '#bced88',
    500: '#99e550',
    950: '#000000',
  },
}

SCSS

$custom: #99e550;
$custom-light: #bced88;
$custom-dark: #000000;

JSON

{
  "hex": "#99e550",
  "rgb": {
    "r": 153,
    "g": 229,
    "b": 80
  },
  "hsl": {
    "h": 90.604,
    "s": 74.129,
    "l": 60.588
  },
  "oklch": {
    "l": 0.84316,
    "c": 0.19496,
    "h": 132.4
  },
  "luminance": 0.6339
}

Semantic roles & 50–950 ramp

primary

#99E550

secondary

#6E34A5

accent

#0FD675

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12160C

muted

#82857F

Preview Lab

Preview with #99E550

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

Preview Lab → · Contrast checker → · Palette generator →