#73B540
Closest named color: Turtle Green (#75B84F). oklch(70.4% 0.164 134), rgb(115, 181, 64).
Aa
Black text reads best on this color (8.41:1).
About this color
#73B540 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.164 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 0.015 away. Black text reads best on it, at 8.41:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #73B540 |
| RGB | rgb(115, 181, 64) |
| HSL | hsl(94, 48%, 48%) |
| OKLCH | oklch(70.4% 0.164 134) |
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 #73B540 | 2.49:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #73B540 | 8.41:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #73B540 text on white | 2.49:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #73B540 text on black | 8.41:1 | AAA | Lc -53.2 | 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
#F2F8EE
oklch(97.2% 0.015 132.5)
-
Step 100
100
#E2EFDB
oklch(93.7% 0.03 134.4)
-
Step 200
200
#CAE2BC
oklch(88.5% 0.057 134)
-
Step 300
300
#A5D08B
oklch(81% 0.104 134.2)
-
Step 400
400 (this color)
#73B540
oklch(70.4% 0.164 134)
-
Step 500
500
#579F00
oklch(63% 0.181 134)
-
Step 600
600
#488600
oklch(55.6% 0.16 134.1)
-
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)
#73B540 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) | #BCA731 | 0.097 |
| Deuteranopia (no green cones) | #B3A249 | 0.098 |
| Tritanopia (no blue cones) | #73AE9D | 0.121 |
| Achromatopsia (no color) | #A4A4A4 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B540
#73B540
oklch(70.4% 0.164 134)
- #C47DE6
#C47DE6
oklch(70.4% 0.164 314)
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 #73B540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.015
- Leaf #71AA34 ΔE 0.031
- Dark Lime #84B701 ΔE 0.032
- Leafy Green #51B73B ΔE 0.032
- Avocado #90B134 ΔE 0.033
- Icky Green #8FAE22 ΔE 0.034
- Avocado Green #87A922 ΔE 0.036
- Pea Green #8EAB12 ΔE 0.038
Use #73B540 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.