#99F558#99F558

#99F558 is a very light, highly saturated yellow-green. Relative luminance 0.728; OKLCH L 88.2% C 0.209 H 134.7°. Best body text is #000000 at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#99F558
RGB	rgb(153, 245, 88)
HSL	hsl(95, 89%, 65%)
HSV	hsv(95, 64%, 96%)
CMYK	cmyk(37.6%, 0%, 64.1%, 3.9%)
CIE-LAB	lab(88.34, -52.83, 64.77)
CIE-LCH	lch(88.34, 83.58, 129.20°)
OKLab	oklab(88.17% -0.1472 0.1489)
OKLCH	oklch(88.17% 0.209 134.7)
XYZ	xyz(47.5497, 72.7794, 20.7730)
Luminance	0.7278 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99F558 #B458F5

analogous

#E8F558 #99F558 #58F565

triadic

#99F558 #5899F5 #F55899

tetradic

#99F558 #58E8F5 #B458F5 #F56558

square

#99F558 #58E8F5 #B458F5 #F56558

split-complementary

#99F558 #6558F5 #F558E8

monochromatic

#59C70C #76F21E #99F558 #BCF892 #E0FCCB

Accessibility & contrast

On white

1.35

#99F558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.56

#99F558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99F558

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99F558	#FFFFFF	#000000	##000000
##99F558	1.00	1.35	15.56	15.56
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.56	21.00	1.00	1.00
##000000	15.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE244

Deuteranopia (green-blind)

#F1DB65

Tritanopia (blue-blind)

#98ECD5

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #99f558;
/* rgb */ color: rgb(153, 245, 88);
/* oklch */ color: oklch(88.2% 0.209 134.7);

Tailwind

colors: {
  custom: {
    50: '#bdf98e',
    500: '#99f558',
    950: '#000000',
  },
}

SCSS

$custom: #99f558;
$custom-light: #bdf98e;
$custom-dark: #000000;

JSON

{
  "hex": "#99f558",
  "rgb": {
    "r": 153,
    "g": 245,
    "b": 88
  },
  "hsl": {
    "h": 95.159,
    "s": 88.701,
    "l": 65.294
  },
  "oklch": {
    "l": 0.88167,
    "c": 0.20931,
    "h": 134.7
  },
  "luminance": 0.72782
}

Semantic roles & 50–950 ramp

primary

#99F558

secondary

#852EC3

accent

#00E586

background

#FDFFFC

surface

#F9FFF4

border

#D2D7CE

text

#13170D

muted

#82857F

Preview Lab

Preview with #99F558

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

Preview Lab → · Contrast checker → · Palette generator →