#99E558#99E558

#99E558 is a very light, vivid yellow-green. Relative luminance 0.635; OKLCH L 84.4% C 0.189 H 133.1°. Best body text is #000000 at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#99E558
RGB	rgb(153, 229, 88)
HSL	hsl(92, 73%, 62%)
HSV	hsv(92, 62%, 90%)
CMYK	cmyk(33.2%, 0%, 61.6%, 10.2%)
CIE-LAB	lab(83.71, -46.20, 59.71)
CIE-LCH	lch(83.71, 75.50, 127.73°)
OKLab	oklab(84.39% -0.1291 0.1382)
OKLCH	oklch(84.39% 0.189 133.1)
XYZ	xyz(42.9169, 63.5138, 19.2288)
Luminance	0.6352 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E558 #A458E5

analogous

#E0E558 #99E558 #58E55D

triadic

#99E558 #5899E5 #E55899

tetradic

#99E558 #58E0E5 #A458E5 #E55D58

square

#99E558 #58E0E5 #A458E5 #E55D58

split-complementary

#99E558 #5D58E5 #E558E0

monochromatic

#5CA81A #79DD23 #99E558 #B9ED8D #DAF5C2

Accessibility & contrast

On white

1.53

#99E558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.70

#99E558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E558

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E558	#FFFFFF	#000000	##000000
##99E558	1.00	1.53	13.70	13.70
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.70	21.00	1.00	1.00
##000000	13.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED547

Deuteranopia (green-blind)

#E3CF63

Tritanopia (blue-blind)

#9ADCC7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #99e558;
/* rgb */ color: rgb(153, 229, 88);
/* oklch */ color: oklch(84.4% 0.189 133.1);

Tailwind

colors: {
  custom: {
    50: '#bbed8c',
    500: '#99e558',
    950: '#000000',
  },
}

SCSS

$custom: #99e558;
$custom-light: #bbed8c;
$custom-dark: #000000;

JSON

{
  "hex": "#99e558",
  "rgb": {
    "r": 153,
    "g": 229,
    "b": 88
  },
  "hsl": {
    "h": 92.34,
    "s": 73.057,
    "l": 62.157
  },
  "oklch": {
    "l": 0.84391,
    "c": 0.18906,
    "h": 133.1
  },
  "luminance": 0.63516
}

Semantic roles & 50–950 ramp

primary

#99E558

secondary

#7537AA

accent

#10D57A

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12160C

muted

#82857F

Preview Lab

Preview with #99E558

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

Preview Lab → · Contrast checker → · Palette generator →