#91EF5F#91EF5F

#91EF5F is a very light, highly saturated yellow-green. Relative luminance 0.686; OKLCH L 86.4% C 0.201 H 136.3°. Best body text is #000000 at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#91EF5F
RGB	rgb(145, 239, 95)
HSL	hsl(99, 82%, 65%)
HSV	hsv(99, 60%, 94%)
CMYK	cmyk(39.3%, 0%, 60.3%, 6.3%)
CIE-LAB	lab(86.29, -52.36, 59.53)
CIE-LCH	lch(86.29, 79.28, 131.33°)
OKLab	oklab(86.41% -0.1449 0.1386)
OKLCH	oklch(86.41% 0.201 136.3)
XYZ	xyz(44.6079, 68.5766, 21.7104)
Luminance	0.6858 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 1.81

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91EF5F #BD5FEF

analogous

#D9EF5F #91EF5F #5FEF75

triadic

#91EF5F #5F91EF #EF5F91

tetradic

#91EF5F #5FD9EF #BD5FEF #EF755F

square

#91EF5F #5FD9EF #BD5FEF #EF755F

split-complementary

#91EF5F #755FEF #EF5FD9

monochromatic

#4FC013 #6BE927 #91EF5F #B7F597 #DDFACE

Accessibility & contrast

On white

1.43

#91EF5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.72

#91EF5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91EF5F

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91EF5F	#FFFFFF	#000000	##000000
##91EF5F	1.00	1.43	14.72	14.72
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.72	21.00	1.00	1.00
##000000	14.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD4F

Deuteranopia (green-blind)

#EAD56A

Tritanopia (blue-blind)

#8EE7D0

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #91ef5f;
/* rgb */ color: rgb(145, 239, 95);
/* oklch */ color: oklch(86.4% 0.201 136.3);

Tailwind

colors: {
  custom: {
    50: '#b7f591',
    500: '#91ef5f',
    950: '#000000',
  },
}

SCSS

$custom: #91ef5f;
$custom-light: #b7f591;
$custom-dark: #000000;

JSON

{
  "hex": "#91ef5f",
  "rgb": {
    "r": 145,
    "g": 239,
    "b": 95
  },
  "hsl": {
    "h": 99.167,
    "s": 81.818,
    "l": 65.49
  },
  "oklch": {
    "l": 0.86414,
    "c": 0.20052,
    "h": 136.3
  },
  "luminance": 0.68579
}

Semantic roles & 50–950 ramp

primary

#91EF5F

secondary

#8E34BE

accent

#07DE94

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#12170D

muted

#82857F

Preview Lab

Preview with #91EF5F

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

Preview Lab → · Contrast checker → · Palette generator →