#73B243
Closest named color: Turtle Green (#75B84F). oklch(69.7% 0.158 133.9), rgb(115, 178, 67).
Aa
Black text reads best on this color (8.17:1).
About this color
#73B243 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.158 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.018 away. Black text reads best on it, at 8.17:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #73B243 |
| RGB | rgb(115, 178, 67) |
| HSL | hsl(94, 45%, 48%) |
| OKLCH | oklch(69.7% 0.158 133.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #73B243 | 2.56:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #73B243 | 8.17:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #73B243 text on white | 2.56:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #73B243 text on black | 8.17:1 | AAA | Lc -51.9 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F2F8EF
oklch(97.2% 0.013 134.9)
-
Step 100
100
#E2EEDB
oklch(93.5% 0.028 133.7)
-
Step 200
200
#CBE2BD
oklch(88.6% 0.055 133.6)
-
Step 300
300
#A7CF8D
oklch(80.9% 0.099 133.6)
-
Step 400
400 (this color)
#73B243
oklch(69.7% 0.158 133.9)
-
Step 500
500
#589F00
oklch(63.1% 0.18 133.8)
-
Step 600
600
#498600
oklch(55.7% 0.159 133.9)
-
Step 700
700
#3C7100
oklch(49.2% 0.141 134)
-
Step 800
800
#305C00
oklch(42.6% 0.122 134)
-
Step 900
900
#274D00
oklch(37.7% 0.108 134.1)
-
Step 950
950
#152E00
oklch(27% 0.078 134)
#73B243 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #B9A536 | 0.093 |
| Deuteranopia (no green cones) | #B0A04C | 0.094 |
| Tritanopia (no blue cones) | #73AB9B | 0.117 |
| Achromatopsia (no color) | #A2A2A2 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B243
#73B243
oklch(69.7% 0.158 133.9)
- #C17DE1
#C17DE1
oklch(69.8% 0.157 314.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #73B243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.018
- Leaf #71AA34 ΔE 0.023
- Avocado Green #87A922 ΔE 0.031
- Asparagus #77AB56 ΔE 0.032
- Avocado #90B134 ΔE 0.033
- Icky Green #8FAE22 ΔE 0.033
- Boring Green #63B365 ΔE 0.034
- Leafy Green #51B73B ΔE 0.035
Use #73B243 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.