#99E552#99E552

#99E552 is a very light, vivid yellow-green. Relative luminance 0.634; OKLCH L 84.3% C 0.194 H 132.6°. Best body text is #000000 at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#99E552
RGB	rgb(153, 229, 82)
HSL	hsl(91, 74%, 61%)
HSV	hsv(91, 64%, 90%)
CMYK	cmyk(33.2%, 0%, 64.2%, 10.2%)
CIE-LAB	lab(83.66, -46.70, 62.12)
CIE-LCH	lch(83.66, 77.72, 126.93°)
OKLab	oklab(84.33% -0.1309 0.1426)
OKLCH	oklch(84.33% 0.194 132.6)
XYZ	xyz(42.6786, 63.4185, 17.9733)
Luminance	0.6342 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E552 #9E52E5

analogous

#E3E552 #99E552 #52E554

triadic

#99E552 #5299E5 #E55299

tetradic

#99E552 #52E3E5 #9E52E5 #E55452

square

#99E552 #52E3E5 #9E52E5 #E55452

split-complementary

#99E552 #5452E5 #E552E3

monochromatic

#5CA419 #7AD921 #99E552 #B8ED87 #D8F5BC

Accessibility & contrast

On white

1.53

#99E552 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.68

#99E552 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E552

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E552	#FFFFFF	#000000	##000000
##99E552	1.00	1.53	13.68	13.68
#FFFFFF	1.53	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)

#EED43F

Deuteranopia (green-blind)

#E4CE5E

Tritanopia (blue-blind)

#9ADCC7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #99e552;
/* rgb */ color: rgb(153, 229, 82);
/* oklch */ color: oklch(84.3% 0.194 132.6);

Tailwind

colors: {
  custom: {
    50: '#bced89',
    500: '#99e552',
    950: '#000000',
  },
}

SCSS

$custom: #99e552;
$custom-light: #bced89;
$custom-dark: #000000;

JSON

{
  "hex": "#99e552",
  "rgb": {
    "r": 153,
    "g": 229,
    "b": 82
  },
  "hsl": {
    "h": 91.02,
    "s": 73.869,
    "l": 60.98
  },
  "oklch": {
    "l": 0.84334,
    "c": 0.19353,
    "h": 132.6
  },
  "luminance": 0.6342
}

Semantic roles & 50–950 ramp

primary

#99E552

secondary

#7035A6

accent

#10D676

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12160C

muted

#82857F

Preview Lab

Preview with #99E552

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

Preview Lab → · Contrast checker → · Palette generator →