#1FB457#1FB457

#1FB457 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.6% C 0.178 H 149.9°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#1FB457
RGB	rgb(31, 180, 87)
HSL	hsl(143, 71%, 41%)
HSV	hsv(143, 83%, 71%)
CMYK	cmyk(82.8%, 0%, 51.7%, 29.4%)
CIE-LAB	lab(64.66, -57.36, 36.88)
CIE-LCH	lch(64.66, 68.19, 147.26°)
OKLab	oklab(67.62% -0.1539 0.0892)
OKLCH	oklch(67.62% 0.178 149.9)
XYZ	xyz(18.6050, 33.6196, 14.5237)
Luminance	0.3362 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB457 #B41F7C

analogous

#32B41F #1FB457 #1FB4A2

triadic

#1FB457 #571FB4 #B4571F

tetradic

#1FB457 #1F32B4 #B41F7C #B4A21F

square

#1FB457 #1F32B4 #B41F7C #B4A21F

split-complementary

#1FB457 #A21FB4 #B41F32

monochromatic

#0D4C25 #16803E #1FB457 #34DC73 #68E597

Accessibility & contrast

On white

2.72

#1FB457 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#1FB457 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB457

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB457	#FFFFFF	#000000	##000000
##1FB457	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A44F

Deuteranopia (green-blind)

#A5985E

Tritanopia (blue-blind)

#00B19F

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #1fb457;
/* rgb */ color: rgb(31, 180, 87);
/* oklch */ color: oklch(67.6% 0.178 149.9);

Tailwind

colors: {
  custom: {
    50: '#77cc88',
    500: '#1fb457',
    950: '#000000',
  },
}

SCSS

$custom: #1fb457;
$custom-light: #77cc88;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb457",
  "rgb": {
    "r": 31,
    "g": 180,
    "b": 87
  },
  "hsl": {
    "h": 142.55,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67615,
    "c": 0.17786,
    "h": 149.9
  },
  "luminance": 0.33622
}

Semantic roles & 50–950 ramp

primary

#1FB457

secondary

#CB64A4

accent

#3AAAED

background

#F7FCF8

surface

#EEF9F0

border

#C9D2CB

text

#0A130B

muted

#7C827C

Preview Lab

Preview with #1FB457

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

Preview Lab → · Contrast checker → · Palette generator →