#1FB23E#1FB23E

#1FB23E is a light, vivid green. Relative luminance 0.325; OKLCH L 66.8% C 0.196 H 145.7°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#1FB23E
RGB	rgb(31, 178, 62)
HSL	hsl(133, 70%, 41%)
HSV	hsv(133, 83%, 70%)
CMYK	cmyk(82.6%, 0%, 65.2%, 30.2%)
CIE-LAB	lab(63.74, -60.04, 47.51)
CIE-LCH	lch(63.74, 76.56, 141.64°)
OKLab	oklab(66.76% -0.1617 0.1104)
OKLCH	oklch(66.76% 0.196 145.7)
XYZ	xyz(17.3537, 32.4777, 9.9107)
Luminance	0.3248 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB23E #B21F93

analogous

#49B21F #1FB23E #1FB287

triadic

#1FB23E #3E1FB2 #B23E1F

tetradic

#1FB23E #1F49B2 #B21F93 #B2871F

square

#1FB23E #1F49B2 #B21F93 #B2871F

split-complementary

#1FB23E #871FB2 #B21F49

monochromatic

#0D4A1A #167E2C #1FB23E #33DB56 #67E581

Accessibility & contrast

On white

2.80

#1FB23E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#1FB23E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB23E

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB23E	#FFFFFF	#000000	##000000
##1FB23E	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A130

Deuteranopia (green-blind)

#A59648

Tritanopia (blue-blind)

#00AD9A

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #1fb23e;
/* rgb */ color: rgb(31, 178, 62);
/* oklch */ color: oklch(66.8% 0.196 145.7);

Tailwind

colors: {
  custom: {
    50: '#77ca78',
    500: '#1fb23e',
    950: '#000000',
  },
}

SCSS

$custom: #1fb23e;
$custom-light: #77ca78;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb23e",
  "rgb": {
    "r": 31,
    "g": 178,
    "b": 62
  },
  "hsl": {
    "h": 132.653,
    "s": 70.335,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66759,
    "c": 0.19579,
    "h": 145.7
  },
  "luminance": 0.3248
}

Semantic roles & 50–950 ramp

primary

#1FB23E

secondary

#CA63B4

accent

#3BC7ED

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #1FB23E

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

Preview Lab → · Contrast checker → · Palette generator →