#1FB23D#1FB23D

#1FB23D is a light, vivid green. Relative luminance 0.325; OKLCH L 66.7% C 0.197 H 145.5°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#1FB23D
RGB	rgb(31, 178, 61)
HSL	hsl(132, 70%, 41%)
HSV	hsv(132, 83%, 70%)
CMYK	cmyk(82.6%, 0%, 65.7%, 30.2%)
CIE-LAB	lab(63.73, -60.15, 47.93)
CIE-LCH	lch(63.73, 76.91, 141.45°)
OKLab	oklab(66.75% -0.162 0.1112)
OKLCH	oklch(66.75% 0.197 145.5)
XYZ	xyz(17.3265, 32.4669, 9.7675)
Luminance	0.3247 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB23D #B21F94

analogous

#4AB21F #1FB23D #1FB286

triadic

#1FB23D #3D1FB2 #B23D1F

tetradic

#1FB23D #1F4AB2 #B21F94 #B2861F

square

#1FB23D #1F4AB2 #B21F94 #B2861F

split-complementary

#1FB23D #861FB2 #B21F4A

monochromatic

#0D4A19 #167E2B #1FB23D #33DB55 #67E581

Accessibility & contrast

On white

2.80

#1FB23D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#1FB23D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB23D

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB23D	#FFFFFF	#000000	##000000
##1FB23D	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A12E

Deuteranopia (green-blind)

#A59648

Tritanopia (blue-blind)

#00AD9A

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #1fb23d;
/* rgb */ color: rgb(31, 178, 61);
/* oklch */ color: oklch(66.7% 0.197 145.5);

Tailwind

colors: {
  custom: {
    50: '#77ca78',
    500: '#1fb23d',
    950: '#000000',
  },
}

SCSS

$custom: #1fb23d;
$custom-light: #77ca78;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb23d",
  "rgb": {
    "r": 31,
    "g": 178,
    "b": 61
  },
  "hsl": {
    "h": 132.245,
    "s": 70.335,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66749,
    "c": 0.19651,
    "h": 145.5
  },
  "luminance": 0.32469
}

Semantic roles & 50–950 ramp

primary

#1FB23D

secondary

#CA63B5

accent

#3BC9ED

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #1FB23D

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

Preview Lab → · Contrast checker → · Palette generator →