#91E551#91E551

#91E551 is a very light, vivid yellow-green. Relative luminance 0.627; OKLCH L 83.9% C 0.198 H 134.2°. Best body text is #000000 at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#91E551
RGB	rgb(145, 229, 81)
HSL	hsl(94, 74%, 61%)
HSV	hsv(94, 65%, 90%)
CMYK	cmyk(36.7%, 0%, 64.6%, 10.2%)
CIE-LAB	lab(83.26, -49.49, 61.97)
CIE-LCH	lch(83.26, 79.31, 128.61°)
OKLab	oklab(83.9% -0.1381 0.1422)
OKLCH	oklch(83.9% 0.198 134.2)
XYZ	xyz(41.1808, 62.6506, 17.7059)
Luminance	0.6265 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91E551 #A551E5

analogous

#DBE551 #91E551 #51E55B

triadic

#91E551 #5191E5 #E55191

tetradic

#91E551 #51DBE5 #A551E5 #E55B51

square

#91E551 #51DBE5 #A551E5 #E55B51

split-complementary

#91E551 #5B51E5 #E551DB

monochromatic

#54A318 #70D820 #91E551 #B3ED86 #D4F5BB

Accessibility & contrast

On white

1.55

#91E551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.53

#91E551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91E551

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91E551	#FFFFFF	#000000	##000000
##91E551	1.00	1.55	13.53	13.53
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.53	21.00	1.00	1.00
##000000	13.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED43E

Deuteranopia (green-blind)

#E2CD5D

Tritanopia (blue-blind)

#90DCC7

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #91e551;
/* rgb */ color: rgb(145, 229, 81);
/* oklch */ color: oklch(83.9% 0.198 134.2);

Tailwind

colors: {
  custom: {
    50: '#b6ee88',
    500: '#91e551',
    950: '#000000',
  },
}

SCSS

$custom: #91e551;
$custom-light: #b6ee88;
$custom-dark: #000000;

JSON

{
  "hex": "#91e551",
  "rgb": {
    "r": 145,
    "g": 229,
    "b": 81
  },
  "hsl": {
    "h": 94.054,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.83896,
    "c": 0.19825,
    "h": 134.2
  },
  "luminance": 0.62652
}

Semantic roles & 50–950 ramp

primary

#91E551

secondary

#7535A6

accent

#0FD680

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#12160C

muted

#82857F

Preview Lab

Preview with #91E551

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

Preview Lab → · Contrast checker → · Palette generator →