#91C640#91C640

#91C640 is a light, vivid yellow-green. Relative luminance 0.468; OKLCH L 76.4% C 0.171 H 128.5°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#91C640
RGB	rgb(145, 198, 64)
HSL	hsl(84, 54%, 51%)
HSV	hsv(84, 68%, 78%)
CMYK	cmyk(26.8%, 0%, 67.7%, 22.4%)
CIE-LAB	lab(74.05, -37.44, 58.97)
CIE-LCH	lch(74.05, 69.85, 122.41°)
OKLab	oklab(76.35% -0.1065 0.1337)
OKLCH	oklch(76.35% 0.171 128.5)
XYZ	xyz(32.7965, 46.7773, 12.1505)
Luminance	0.4678 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91C640 #7540C6

analogous

#C6B840 #91C640 #4EC640

triadic

#91C640 #4091C6 #C64091

tetradic

#91C640 #40C6B8 #7540C6 #C6404E

square

#91C640 #40C6B8 #7540C6 #C6404E

split-complementary

#91C640 #404EC6 #B840C6

monochromatic

#4E6C20 #709B2E #91C640 #ACD46F #C7E29E

Accessibility & contrast

On white

2.03

#91C640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#91C640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91C640

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91C640	#FFFFFF	#000000	##000000
##91C640	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB82C

Deuteranopia (green-blind)

#C8B54B

Tritanopia (blue-blind)

#96BDAB

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #91c640;
/* rgb */ color: rgb(145, 198, 64);
/* oklch */ color: oklch(76.4% 0.171 128.5);

Tailwind

colors: {
  custom: {
    50: '#b5d77c',
    500: '#91c640',
    950: '#000000',
  },
}

SCSS

$custom: #91c640;
$custom-light: #b5d77c;
$custom-dark: #000000;

JSON

{
  "hex": "#91c640",
  "rgb": {
    "r": 145,
    "g": 198,
    "b": 64
  },
  "hsl": {
    "h": 83.731,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.76355,
    "c": 0.17096,
    "h": 128.5
  },
  "luminance": 0.46778
}

Semantic roles & 50–950 ramp

primary

#91C640

secondary

#AB93CE

accent

#4ADD85

background

#FBFDF7

surface

#F6FAEE

border

#D0D3C9

text

#12140A

muted

#81837C

Preview Lab

Preview with #91C640

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

Preview Lab → · Contrast checker → · Palette generator →