#99DD59#99DD59

#99DD59 is a very light, vivid yellow-green. Relative luminance 0.592; OKLCH L 82.5% C 0.178 H 132.1°. Best body text is #000000 at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#99DD59
RGB	rgb(153, 221, 89)
HSL	hsl(91, 66%, 61%)
HSV	hsv(91, 60%, 87%)
CMYK	cmyk(30.8%, 0%, 59.7%, 13.3%)
CIE-LAB	lab(81.40, -42.68, 56.71)
CIE-LCH	lch(81.40, 70.98, 126.97°)
OKLab	oklab(82.52% -0.1193 0.1319)
OKLCH	oklch(82.52% 0.178 132.1)
XYZ	xyz(40.7959, 59.2051, 18.7275)
Luminance	0.5921 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99DD59 #9D59DD

analogous

#DBDD59 #99DD59 #59DD5B

triadic

#99DD59 #5999DD #DD5999

tetradic

#99DD59 #59DBDD #9D59DD #DD5B59

square

#99DD59 #59DBDD #9D59DD #DD5B59

split-complementary

#99DD59 #5B59DD #DD59DB

monochromatic

#5C9C20 #7ACF2A #99DD59 #B8E78C #D7F2BF

Accessibility & contrast

On white

1.64

#99DD59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.84

#99DD59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99DD59

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99DD59	#FFFFFF	#000000	##000000
##99DD59	1.00	1.64	12.84	12.84
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.84	21.00	1.00	1.00
##000000	12.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CE4A

Deuteranopia (green-blind)

#DCC863

Tritanopia (blue-blind)

#9BD5C1

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #99dd59;
/* rgb */ color: rgb(153, 221, 89);
/* oklch */ color: oklch(82.5% 0.178 132.1);

Tailwind

colors: {
  custom: {
    50: '#bbe88c',
    500: '#99dd59',
    950: '#000000',
  },
}

SCSS

$custom: #99dd59;
$custom-light: #bbe88c;
$custom-dark: #000000;

JSON

{
  "hex": "#99dd59",
  "rgb": {
    "r": 153,
    "g": 221,
    "b": 89
  },
  "hsl": {
    "h": 90.909,
    "s": 66,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82516,
    "c": 0.17785,
    "h": 132.1
  },
  "luminance": 0.59206
}

Semantic roles & 50–950 ramp

primary

#99DD59

secondary

#6F3BA0

accent

#18CE76

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#12160C

muted

#82847F

Preview Lab

Preview with #99DD59

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

Preview Lab → · Contrast checker → · Palette generator →