#99EF5E#99EF5E

#99EF5E is a very light, vivid yellow-green. Relative luminance 0.693; OKLCH L 86.8% C 0.197 H 134.6°. Best body text is #000000 at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#99EF5E
RGB	rgb(153, 239, 94)
HSL	hsl(96, 82%, 65%)
HSV	hsv(96, 61%, 94%)
CMYK	cmyk(36%, 0%, 60.7%, 6.3%)
CIE-LAB	lab(86.66, -49.86, 60.46)
CIE-LCH	lch(86.66, 78.37, 129.51°)
OKLab	oklab(86.81% -0.1386 0.1404)
OKLCH	oklch(86.81% 0.197 134.6)
XYZ	xyz(46.0228, 69.3114, 21.5410)
Luminance	0.6931 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 1.73

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EF5E #B45EEF

analogous

#E2EF5E #99EF5E #5EEF6B

triadic

#99EF5E #5E99EF #EF5E99

tetradic

#99EF5E #5EE2EF #B45EEF #EF6B5E

square

#99EF5E #5EE2EF #B45EEF #EF6B5E

split-complementary

#99EF5E #6B5EEF #EF5EE2

monochromatic

#59C013 #76E926 #99EF5E #BCF596 #E0FACD

Accessibility & contrast

On white

1.41

#99EF5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.86

#99EF5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EF5E

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EF5E	#FFFFFF	#000000	##000000
##99EF5E	1.00	1.41	14.86	14.86
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.86	21.00	1.00	1.00
##000000	14.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD4D

Deuteranopia (green-blind)

#EBD669

Tritanopia (blue-blind)

#98E6D0

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #99ef5e;
/* rgb */ color: rgb(153, 239, 94);
/* oklch */ color: oklch(86.8% 0.197 134.6);

Tailwind

colors: {
  custom: {
    50: '#bcf591',
    500: '#99ef5e',
    950: '#000000',
  },
}

SCSS

$custom: #99ef5e;
$custom-light: #bcf591;
$custom-dark: #000000;

JSON

{
  "hex": "#99ef5e",
  "rgb": {
    "r": 153,
    "g": 239,
    "b": 94
  },
  "hsl": {
    "h": 95.586,
    "s": 81.921,
    "l": 65.294
  },
  "oklch": {
    "l": 0.86809,
    "c": 0.19729,
    "h": 134.6
  },
  "luminance": 0.69313
}

Semantic roles & 50–950 ramp

primary

#99EF5E

secondary

#8533BE

accent

#07DE87

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12170D

muted

#82857F

Preview Lab

Preview with #99EF5E

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

Preview Lab → · Contrast checker → · Palette generator →