#99E454#99E454

#99E454 is a very light, vivid yellow-green. Relative luminance 0.629; OKLCH L 84.1% C 0.191 H 132.6°. Best body text is #000000 at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#99E454
RGB	rgb(153, 228, 84)
HSL	hsl(91, 73%, 61%)
HSV	hsv(91, 63%, 89%)
CMYK	cmyk(32.9%, 0%, 63.2%, 10.6%)
CIE-LAB	lab(83.39, -46.12, 61.01)
CIE-LCH	lch(83.39, 76.48, 127.08°)
OKLab	oklab(84.12% -0.1291 0.1405)
OKLCH	oklch(84.12% 0.191 132.6)
XYZ	xyz(42.4799, 62.8976, 18.2880)
Luminance	0.6290 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E454 #9F54E4

analogous

#E1E454 #99E454 #54E457

triadic

#99E454 #5499E4 #E45499

tetradic

#99E454 #54E1E4 #9F54E4 #E45754

square

#99E454 #54E1E4 #9F54E4 #E45754

split-complementary

#99E454 #5754E4 #E454E1

monochromatic

#5CA41A #7AD922 #99E454 #B9EC89 #D8F5BE

Accessibility & contrast

On white

1.55

#99E454 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.58

#99E454 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E454

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E454	#FFFFFF	#000000	##000000
##99E454	1.00	1.55	13.58	13.58
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.58	21.00	1.00	1.00
##000000	13.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD442

Deuteranopia (green-blind)

#E3CE5F

Tritanopia (blue-blind)

#9ADBC6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #99e454;
/* rgb */ color: rgb(153, 228, 84);
/* oklch */ color: oklch(84.1% 0.191 132.6);

Tailwind

colors: {
  custom: {
    50: '#bbed8a',
    500: '#99e454',
    950: '#000000',
  },
}

SCSS

$custom: #99e454;
$custom-light: #bbed8a;
$custom-dark: #000000;

JSON

{
  "hex": "#99e454",
  "rgb": {
    "r": 153,
    "g": 228,
    "b": 84
  },
  "hsl": {
    "h": 91.25,
    "s": 72.727,
    "l": 61.176
  },
  "oklch": {
    "l": 0.84117,
    "c": 0.1908,
    "h": 132.6
  },
  "luminance": 0.62899
}

Semantic roles & 50–950 ramp

primary

#99E454

secondary

#7036A6

accent

#11D577

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12160C

muted

#82857F

Preview Lab

Preview with #99E454

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

Preview Lab → · Contrast checker → · Palette generator →