#308B57#308B57

#308B57 is a mid, moderate green. Relative luminance 0.198; OKLCH L 56.9% C 0.118 H 154.6°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#308B57
RGB	rgb(48, 139, 87)
HSL	hsl(146, 49%, 37%)
HSV	hsv(146, 65%, 55%)
CMYK	cmyk(65.5%, 0%, 37.4%, 45.5%)
CIE-LAB	lab(51.59, -39.31, 20.13)
CIE-LCH	lch(51.59, 44.17, 152.88°)
OKLab	oklab(56.91% -0.1065 0.0505)
OKLCH	oklch(56.91% 0.118 154.6)
XYZ	xyz(12.1708, 19.7805, 12.1916)
Luminance	0.1978 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308B57 #8B3064

analogous

#378B30 #308B57 #308B85

triadic

#308B57 #57308B #8B5730

tetradic

#308B57 #30378B #8B3064 #8B8530

square

#308B57 #30378B #8B3064 #8B8530

split-complementary

#308B57 #85308B #8B3037

monochromatic

#11301E #205E3B #308B57 #40B873 #6ACC94

Accessibility & contrast

On white

4.24

#308B57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#308B57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308B57

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308B57	#FFFFFF	#000000	##000000
##308B57	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8054

Deuteranopia (green-blind)

#7F785A

Tritanopia (blue-blind)

#01897E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #308b57;
/* rgb */ color: rgb(48, 139, 87);
/* oklch */ color: oklch(56.9% 0.118 154.6);

Tailwind

colors: {
  custom: {
    50: '#73ae87',
    500: '#308b57',
    950: '#000000',
  },
}

SCSS

$custom: #308b57;
$custom-light: #73ae87;
$custom-dark: #000000;

JSON

{
  "hex": "#308b57",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 87
  },
  "hsl": {
    "h": 145.714,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.56913,
    "c": 0.11783,
    "h": 154.6
  },
  "luminance": 0.19782
}

Semantic roles & 50–950 ramp

primary

#308B57

secondary

#B36491

accent

#509ED8

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#09100B

muted

#7B7F7C

Preview Lab

Preview with #308B57

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

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