#91FB5A#91FB5A

#91FB5A is a very light, highly saturated yellow-green. Relative luminance 0.758; OKLCH L 89.2% C 0.219 H 136.7°. Best body text is #000000 at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#91FB5A
RGB	rgb(145, 251, 90)
HSL	hsl(100, 95%, 67%)
HSV	hsv(100, 64%, 98%)
CMYK	cmyk(42.2%, 0%, 64.1%, 1.6%)
CIE-LAB	lab(89.74, -57.57, 65.38)
CIE-LCH	lch(89.74, 87.11, 131.36°)
OKLab	oklab(89.22% -0.1594 0.1505)
OKLCH	oklch(89.22% 0.219 136.7)
XYZ	xyz(48.0183, 75.7495, 21.7618)
Luminance	0.7575 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 1.58

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91FB5A #C45AFB

analogous

#E2FB5A #91FB5A #5AFB74

triadic

#91FB5A #5A91FB #FB5A91

tetradic

#91FB5A #5AE2FB #C45AFB #FB745A

square

#91FB5A #5AE2FB #C45AFB #FB745A

split-complementary

#91FB5A #745AFB #FB5AE2

monochromatic

#4CD505 #69FA1E #91FB5A #B9FC96 #E1FED2

Accessibility & contrast

On white

1.30

#91FB5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.15

#91FB5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91FB5A

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91FB5A	#FFFFFF	#000000	##000000
##91FB5A	1.00	1.30	16.15	16.15
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.15	21.00	1.00	1.00
##000000	16.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE745

Deuteranopia (green-blind)

#F5DE68

Tritanopia (blue-blind)

#8CF2DA

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #91fb5a;
/* rgb */ color: rgb(145, 251, 90);
/* oklch */ color: oklch(89.2% 0.219 136.7);

Tailwind

colors: {
  custom: {
    50: '#b8fd8f',
    500: '#91fb5a',
    950: '#000000',
  },
}

SCSS

$custom: #91fb5a;
$custom-light: #b8fd8f;
$custom-dark: #000000;

JSON

{
  "hex": "#91fb5a",
  "rgb": {
    "r": 145,
    "g": 251,
    "b": 90
  },
  "hsl": {
    "h": 99.503,
    "s": 95.266,
    "l": 66.863
  },
  "oklch": {
    "l": 0.89222,
    "c": 0.21924,
    "h": 136.7
  },
  "luminance": 0.75752
}

Semantic roles & 50–950 ramp

primary

#91FB5A

secondary

#972AD0

accent

#00E697

background

#FDFFFC

surface

#F9FFF4

border

#D2D7CE

text

#12180D

muted

#82867F

Preview Lab

Preview with #91FB5A

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

Preview Lab → · Contrast checker → · Palette generator →