#91B028#91B028

#91B028 is a light, vivid yellow-green. Relative luminance 0.372; OKLCH L 71.0% C 0.159 H 122.1°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#91B028
RGB	rgb(145, 176, 40)
HSL	hsl(74, 63%, 42%)
HSV	hsv(74, 77%, 69%)
CMYK	cmyk(17.6%, 0%, 77.3%, 31%)
CIE-LAB	lab(67.44, -28.63, 61.02)
CIE-LCH	lch(67.44, 67.41, 115.13°)
OKLab	oklab(70.96% -0.0843 0.1343)
OKLCH	oklch(70.96% 0.159 122.1)
XYZ	xyz(27.5858, 37.2235, 7.7387)
Luminance	0.3722 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91B028 #4728B0

analogous

#B08B28 #91B028 #4DB028

triadic

#91B028 #2891B0 #B02891

tetradic

#91B028 #28B08B #4728B0 #B0284D

square

#91B028 #28B08B #4728B0 #B0284D

split-complementary

#91B028 #284DB0 #8B28B0

monochromatic

#3F4C11 #687E1D #91B028 #B2D441 #C7DF73

Accessibility & contrast

On white

2.49

#91B028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#91B028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91B028

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91B028	#FFFFFF	#000000	##000000
##91B028	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA501

Deuteranopia (green-blind)

#B7A435

Tritanopia (blue-blind)

#99A797

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #91b028;
/* rgb */ color: rgb(145, 176, 40);
/* oklch */ color: oklch(71.0% 0.159 122.1);

Tailwind

colors: {
  custom: {
    50: '#b5c76d',
    500: '#91b028',
    950: '#000000',
  },
}

SCSS

$custom: #91b028;
$custom-light: #b5c76d;
$custom-dark: #000000;

JSON

{
  "hex": "#91b028",
  "rgb": {
    "r": 145,
    "g": 176,
    "b": 40
  },
  "hsl": {
    "h": 73.676,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.70961,
    "c": 0.15862,
    "h": 122.1
  },
  "luminance": 0.37224
}

Semantic roles & 50–950 ramp

primary

#91B028

secondary

#826DC6

accent

#42E667

background

#FBFCF6

surface

#F6F8EC

border

#D0D1C7

text

#121308

muted

#81827B

Preview Lab

Preview with #91B028

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

Preview Lab → · Contrast checker → · Palette generator →