#73B55B
Closest named color: Turtle Green (#75B84F). oklch(70.8% 0.14 137.9), rgb(115, 181, 91).
Aa
Black text reads best on this color (8.48:1).
About this color
#73B55B is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.140 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.017 away. Black text reads best on it, at 8.48:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.48:1 |
| White text | 2.47:1 |
Values
| HEX | #73B55B |
| RGB | rgb(115, 181, 91) |
| HSL | hsl(104, 38%, 53%) |
| OKLCH | oklch(70.8% 0.14 137.9) |
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 #73B55B | 2.47:1 | Fails | Lc -53.5 | Large or bold text, headings |
| Black text on #73B55B | 8.48:1 | AAA | Lc 55.5 | Large or bold text, headings |
| #73B55B text on white | 2.47:1 | Fails | Lc 48.5 | Large or bold text, headings |
| #73B55B text on black | 8.48:1 | AAA | Lc -53.5 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#CAE1C2
oklch(88.4% 0.048 137.6)
-
Step 300
300
#A5CF97
oklch(81% 0.089 138)
-
Step 400
400 (this color)
#73B55B
oklch(70.8% 0.14 137.9)
-
Step 500
500
#4AA121
oklch(63.1% 0.179 138)
-
Step 600
600
#378900
oklch(55.7% 0.172 137.9)
-
Step 700
700
#2D7300
oklch(49.1% 0.151 137.9)
-
Step 800
800
#235E00
oklch(42.6% 0.131 138)
-
Step 900
900
#1C4F00
oklch(37.8% 0.117 138)
-
Step 950
950
#122E05
oklch(26.9% 0.074 137.5)
#73B55B 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) | #BAA853 | 0.094 |
| Deuteranopia (no green cones) | #B0A261 | 0.093 |
| Tritanopia (no blue cones) | #70B0A0 | 0.096 |
| Achromatopsia (no color) | #A5A5A5 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B55B
#73B55B
oklch(70.8% 0.14 137.9)
- #C583D9
#C583D9
oklch(70.8% 0.14 318.1)
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 #73B55B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.017
- Boring Green #63B365 ΔE 0.020
- Asparagus #77AB56 ΔE 0.027
- Faded Green #7BB274 ΔE 0.036
- Dark Pastel Green #56AE57 ΔE 0.037
- Soft Green #6FC276 ΔE 0.040
- Avocado #90B134 ΔE 0.040
- Fern #63A950 ΔE 0.040
Use #73B55B 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.